M=200;
N=200;
K=22;
L=45;
D=1000;
students=[|40,193,40,192|
21,9,21,10|
74,90,75,90|
31,95,31,96|
165,132,165,133|
71,110,71,111|
78,71,77,71|
158,162,157,162|
182,48,182,49|
80,169,81,169|
104,109,104,110|
155,198,155,199|
42,191,42,192|
36,89,36,88|
31,157,32,157|
139,127,140,127|
41,5,42,5|
2,95,1,95|
69,120,69,121|
68,9,69,9|
173,147,173,148|
84,160,84,159|
138,134,139,134|
157,104,158,104|
149,185,149,186|
151,184,151,183|
106,39,106,40|
183,32,182,32|
198,35,198,36|
28,80,29,80|
148,31,147,31|
156,183,155,183|
180,82,180,81|
200,26,199,26|
45,174,46,174|
151,175,152,175|
152,86,153,86|
145,26,146,26|
157,72,157,71|
91,97,90,97|
170,137,170,136|
193,63,192,63|
129,82,130,82|
87,199,87,198|
184,135,185,135|
87,74,87,75|
145,190,145,189|
194,160,194,159|
152,148,153,148|
35,118,34,118|
138,71,137,71|
11,97,10,97|
27,22,27,21|
25,121,25,120|
111,8,111,9|
123,194,123,195|
139,52,139,53|
9,35,9,34|
43,177,42,177|
94,152,94,151|
167,14,166,14|
38,173,38,174|
147,187,147,186|
15,90,16,90|
19,78,20,78|
29,100,29,99|
18,126,17,126|
164,126,165,126|
118,39,118,38|
200,142,200,141|
125,32,125,33|
25,164,24,164|
191,28,192,28|
19,76,18,76|
113,200,112,200|
8,11,9,11|
176,163,176,164|
61,1,62,1|
58,27,58,28|
111,108,110,108|
22,187,23,187|
42,10,42,9|
197,62,198,62|
164,60,164,61|
184,51,185,51|
136,38,136,37|
120,132,119,132|
127,198,126,198|
6,61,7,61|
152,104,151,104|
25,145,25,144|
62,104,62,105|
180,66,181,66|
135,4,136,4|
124,79,124,78|
197,149,197,148|
15,150,15,151|
45,71,45,72|
97,1,96,1|
158,91,159,91|
119,54,119,55|
148,122,147,122|
110,102,111,102|
40,174,39,174|
79,105,79,104|
29,96,29,97|
129,152,129,153|
44,29,44,28|
153,76,153,75|
166,190,167,190|
73,108,72,108|
196,195,196,194|
165,194,166,194|
112,90,112,91|
126,155,127,155|
38,106,39,106|
100,147,100,148|
88,96,88,95|
110,42,110,43|
111,67,110,67|
120,187,119,187|
187,177,187,176|
145,23,145,24|
116,65,115,65|
150,86,151,86|
71,165,72,165|
16,52,16,51|
191,7,192,7|
199,146,199,145|
47,35,48,35|
74,176,75,176|
199,151,199,152|
76,189,76,188|
126,102,126,103|
7,3,8,3|
7,117,8,117|
168,31,168,32|
199,139,199,138|
33,81,33,80|
35,107,36,107|
43,34,42,34|
163,137,163,136|
55,178,54,178|
48,30,48,31|
132,57,131,57|
164,168,164,167|
156,72,155,72|
123,178,124,178|
86,182,85,182|
177,85,177,84|
128,179,129,179|
76,66,76,67|
87,48,86,48|
58,133,59,133|
22,49,22,48|
139,138,138,138|
54,68,54,69|
14,88,14,87|
86,113,86,114|
106,65,105,65|
43,122,42,122|
179,48,180,48|
116,177,116,178|
165,113,165,114|
59,162,59,163|
21,131,22,131|
80,125,80,126|
159,65,158,65|
172,48,172,49|
73,13,74,13|
160,83,159,83|
135,134,135,133|
30,93,30,92|
99,10,99,9|
35,148,35,149|
162,37,162,38|
147,104,147,103|
158,75,157,75|
64,53,64,52|
81,188,82,188|
80,188,79,188|
52,6,51,6|
151,118,151,119|
189,170,189,171|
46,171,46,170|
45,81,46,81|
186,164,186,163|
82,162,83,162|
157,77,157,76|
167,110,167,109|
121,2,121,3|
195,149,195,150|
81,118,81,119|
111,190,111,189|
10,122,9,122|
101,54,100,54|
105,127,104,127|
154,31,154,30|
160,43,160,42|
10,170,11,170|
100,78,101,78|
198,143,198,144|
102,165,102,166|
122,101,121,101|
7,17,7,18|
46,35,46,34|
27,119,26,119|
146,78,145,78|
55,34,54,34|
145,89,145,90|
193,145,194,145|
41,92,40,92|
144,132,143,132|
122,3,121,3|
172,28,172,29|
49,98,48,98|
198,85,198,86|
97,158,96,158|
24,47,24,46|
59,17,60,17|
107,12,107,13|
122,28,123,28|
75,83,75,84|
7,141,8,141|
170,86,169,86|
196,15,197,15|
68,17,69,17|
59,41,58,41|
75,83,76,83|
189,182,188,182|
98,187,99,187|
106,30,106,31|
31,159,30,159|
148,28,148,27|
146,89,146,90|
119,169,118,169|
6,174,6,175|
152,21,153,21|
131,133,132,133|
1,100,2,100|
53,127,53,126|
176,156,175,156|
147,121,147,122|
121,152,120,152|
141,109,141,110|
18,51,18,52|
183,135,183,134|
163,48,162,48|
170,90,169,90|
200,113,199,113|
134,154,133,154|
162,9,161,9|
129,13,129,14|
48,154,48,153|
95,188,95,187|
7,24,7,25|
93,38,93,39|
187,138,186,138|
115,7,115,8|
11,27,11,26|
42,168,41,168|
144,180,143,180|
93,152,94,152|
28,68,28,69|
122,30,122,29|
130,162,129,162|
185,121,186,121|
109,106,110,106|
168,41,168,40|
112,165,113,165|
50,14,50,13|
160,34,161,34|
155,193,155,194|
116,54,117,54|
111,91,111,92|
128,150,128,151|
84,59,85,59|
111,13,111,14|
71,124,71,123|
35,52,36,52|
51,26,51,27|
130,193,129,193|
140,189,139,189|
126,105,125,105|
70,9,70,8|
72,144,71,144|
46,108,45,108|
195,135,195,136|
170,64,171,64|
51,105,51,104|
145,164,145,163|
127,140,126,140|
174,156,175,156|
108,192,109,192|
25,75,25,74|
183,3,184,3|
30,61,30,60|
7,153,7,154|
148,150,148,151|
140,144,140,143|
53,179,53,178|
55,88,56,88|
80,24,81,24|
62,192,63,192|
6,167,6,168|
29,160,28,160|
159,167,159,166|
100,12,100,11|
176,177,175,177|
12,107,12,106|
177,117,177,118|
199,157,200,157|
80,134,80,133|
178,122,178,123|
174,107,174,106|
66,30,65,30|
123,191,124,191|
80,156,80,155|
84,89,84,88|
58,98,59,98|
37,107,36,107|
157,159,156,159|
102,43,101,43|
24,129,23,129|
73,162,72,162|
165,171,164,171|
22,69,22,70|
50,178,49,178|
196,130,197,130|
10,191,11,191|
116,147,117,147|
6,194,7,194|
76,88,75,88|
27,140,26,140|
87,158,88,158|
184,44,184,43|
70,136,71,136|
92,63,93,63|
172,75,172,76|
133,2,133,3|
117,135,118,135|
110,75,109,75|
173,165,174,165|
144,3,144,4|
90,57,90,58|
127,182,127,181|
92,173,91,173|
141,189,141,188|
193,190,193,191|
181,91,182,91|
152,48,153,48|
148,110,149,110|
176,161,175,161|
62,97,63,97|
88,89,88,90|
31,78,32,78|
157,163,157,164|
186,177,186,176|
30,104,30,105|
110,31,111,31|
129,108,129,107|
93,94,93,95|
133,171,133,170|
194,31,194,30|
32,28,33,28|
87,136,87,137|
86,99,85,99|
64,93,64,92|
179,49,180,49|
69,41,68,41|
112,177,112,176|
152,171,153,171|
40,80,40,79|
101,37,101,38|
15,58,14,58|
86,44,86,45|
79,104,79,103|
181,4,180,4|
151,192,150,192|
136,167,136,166|
73,77,73,78|
92,186,92,185|
56,82,56,81|
136,186,135,186|
117,66,117,67|
53,113,53,112|
156,126,156,125|
187,98,187,99|
51,10,50,10|
16,109,16,110|
104,197,104,196|
147,58,148,58|
117,56,116,56|
59,40,59,41|
8,135,8,134|
1,11,2,11|
82,76,83,76|
161,136,160,136|
54,128,54,127|
183,140,184,140|
21,48,21,47|
72,94,73,94|
83,3,84,3|
140,73,139,73|
182,179,182,178|
176,184,175,184|
103,141,103,140|
24,48,25,48|
88,6,87,6|
42,18,43,18|
183,12,184,12|
146,18,147,18|
155,84,156,84|
23,200,24,200|
197,176,196,176|
55,72,56,72|
187,110,186,110|
98,175,97,175|
76,2,76,3|
141,127,140,127|
73,183,73,182|
183,30,183,31|
148,180,149,180|
128,93,129,93|
24,61,24,62|
117,143,117,142|
83,121,83,122|
132,124,132,123|
83,169,84,169|
169,155,170,155|
141,165,140,165|
123,7,122,7|
70,135,71,135|
61,157,60,157|
182,175,182,176|
105,131,106,131|
146,97,147,97|
128,157,128,156|
77,166,76,166|
166,176,165,176|
37,40,38,40|
159,120,160,120|
76,145,76,144|
51,176,50,176|
129,20,128,20|
4,6,3,6|
109,90,109,91|
104,39,104,38|
131,166,131,167|
45,85,44,85|
71,85,70,85|
156,76,156,75|
176,3,175,3|
39,156,39,157|
138,197,139,197|
29,23,28,23|
28,131,29,131|
123,51,123,50|
128,135,129,135|
178,108,179,108|
91,114,90,114|
161,57,161,56|
5,146,6,146|
6,111,7,111|
107,157,107,156|
36,62,36,63|
23,150,23,151|
40,9,39,9|
98,105,97,105|
173,75,174,75|
186,68,187,68|
152,42,151,42|
92,176,91,176|
92,175,92,174|
142,30,143,30|
156,144,156,143|
48,92,48,91|
132,124,133,124|
74,96,74,97|
91,79,91,78|
45,129,44,129|
149,177,148,177|
53,110,54,110|
184,65,185,65|
143,157,142,157|
199,16,200,16|
27,167,27,168|
27,160,27,159|
22,194,23,194|
141,107,140,107|
197,114,198,114|
51,2,50,2|
161,55,162,55|
79,124,80,124|
12,15,13,15|
88,156,89,156|
71,19,72,19|
12,11,13,11|
120,72,120,73|
88,179,89,179|
174,11,174,12|
191,11,192,11|
84,89,85,89|
127,23,126,23|
8,101,9,101|
113,143,114,143|
117,68,117,67|
12,65,12,66|
171,13,172,13|
31,25,31,26|
75,114,74,114|
88,112,89,112|
136,143,136,144|
52,179,51,179|
62,39,63,39|
65,118,66,118|
159,5,159,4|
41,122,40,122|
5,92,4,92|
64,8,64,7|
48,131,48,130|
114,24,114,23|
140,57,140,56|
16,21,16,20|
45,72,45,73|
29,114,28,114|
36,28,37,28|
127,175,128,175|
144,144,144,143|
182,33,182,32|
104,53,105,53|
81,121,81,122|
71,55,71,56|
22,117,22,116|
164,19,164,18|
106,184,107,184|
151,55,151,54|
69,183,69,182|
193,20,193,19|
195,61,195,62|
48,29,48,28|
52,29,51,29|
71,103,71,102|
8,10,7,10|
197,144,196,144|
64,92,63,92|
90,62,91,62|
24,3,24,4|
103,108,104,108|
35,169,36,169|
137,82,137,83|
127,159,127,160|
66,109,65,109|
100,10,99,10|
56,55,56,56|
33,150,33,151|
73,139,73,140|
156,120,157,120|
53,118,53,119|
50,59,50,58|
30,28,30,27|
171,123,170,123|
125,22,125,21|
1,64,1,65|
67,123,68,123|
105,11,105,12|
2,135,2,136|
121,23,122,23|
122,76,122,77|
65,123,65,122|
63,94,63,95|
109,106,109,107|
200,40,200,41|
98,141,99,141|
67,117,67,118|
114,180,114,179|
26,196,27,196|
4,192,4,193|
160,97,160,96|
14,166,14,167|
200,194,200,193|
101,197,100,197|
116,80,115,80|
161,7,162,7|
156,63,157,63|
75,167,75,168|
106,73,107,73|
75,160,74,160|
91,36,91,37|
34,131,34,130|
98,39,99,39|
96,87,95,87|
31,177,32,177|
95,191,95,192|
26,100,26,99|
199,81,200,81|
181,186,181,187|
160,84,160,83|
77,121,78,121|
144,188,145,188|
103,51,103,50|
105,96,105,95|
176,5,175,5|
133,142,133,141|
175,193,175,192|
139,101,138,101|
137,2,138,2|
76,120,77,120|
6,69,6,70|
9,108,9,107|
105,41,105,42|
104,59,104,58|
140,98,140,97|
85,21,85,22|
146,26,147,26|
46,198,46,197|
129,61,128,61|
51,31,51,32|
157,184,158,184|
139,104,139,103|
36,117,36,118|
92,122,92,123|
16,109,16,108|
97,20,98,20|
84,187,85,187|
14,82,14,83|
55,26,55,25|
178,149,178,148|
21,12,21,11|
73,70,72,70|
185,66,184,66|
60,102,60,103|
76,53,76,54|
22,57,22,56|
190,193,190,192|
118,38,117,38|
126,14,127,14|
148,56,147,56|
151,55,151,56|
177,44,176,44|
45,186,45,187|
195,109,196,109|
198,65,198,66|
139,127,138,127|
171,94,170,94|
13,123,13,124|
143,137,142,137|
73,1,74,1|
131,81,130,81|
50,50,49,50|
102,5,102,4|
67,156,67,157|
165,131,165,132|
187,124,188,124|
146,54,146,53|
37,84,36,84|
74,193,74,194|
177,120,177,121|
73,194,74,194|
131,94,132,94|
89,48,89,49|
71,14,71,15|
109,117,108,117|
156,160,156,159|
137,177,138,177|
29,139,29,138|
15,51,14,51|
179,139,178,139|
143,108,144,108|
151,127,151,126|
82,130,82,129|
186,134,186,135|
193,176,193,177|
30,45,29,45|
11,30,12,30|
64,84,64,83|
154,41,154,40|
189,66,190,66|
183,13,182,13|
5,144,4,144|
176,179,176,178|
183,193,183,192|
53,124,53,123|
83,7,84,7|
165,159,165,160|
111,69,110,69|
37,81,38,81|
55,6,55,5|
66,180,65,180|
9,96,9,95|
96,132,96,131|
153,61,153,60|
146,80,146,81|
64,187,64,186|
121,160,121,161|
61,79,60,79|
175,142,175,143|
11,46,10,46|
12,164,11,164|
50,3,49,3|
115,113,115,112|
4,188,4,189|
181,23,181,22|
106,37,107,37|
57,123,57,124|
153,9,152,9|
151,68,151,67|
90,52,91,52|
13,83,14,83|
84,125,84,126|
1,197,1,198|
81,115,80,115|
67,92,66,92|
19,135,19,136|
139,51,139,50|
10,8,9,8|
178,198,178,199|
82,16,82,17|
129,132,130,132|
11,34,10,34|
173,170,173,171|
67,54,66,54|
86,10,85,10|
159,51,160,51|
180,117,179,117|
172,83,171,83|
100,112,101,112|
104,87,104,88|
107,128,107,127|
129,88,130,88|
153,8,152,8|
112,52,112,53|
129,199,130,199|
131,20,131,19|
140,167,140,168|
97,82,97,81|
53,192,53,193|
168,122,168,121|
39,157,38,157|
146,197,146,196|
172,61,173,61|
132,146,131,146|
144,118,144,117|
149,153,149,152|
182,116,183,116|
168,174,169,174|
91,22,91,21|
86,6,87,6|
146,174,146,173|
121,16,121,15|
27,100,28,100|
46,157,45,157|
158,143,158,144|
155,91,156,91|
9,109,8,109|
64,25,63,25|
196,149,196,150|
191,39,191,40|
147,60,147,59|
82,137,81,137|
138,171,139,171|
154,9,153,9|
114,16,115,16|
128,29,129,29|
25,23,26,23|
192,83,191,83|
53,190,52,190|
61,64,60,64|
25,34,25,33|
120,8,121,8|
82,175,82,174|
26,37,25,37|
99,136,100,136|
32,75,31,75|
39,165,39,166|
68,102,67,102|
39,136,39,137|
28,161,28,162|
171,137,171,136|
8,177,8,176|
23,109,22,109|
138,3,138,4|
3,143,4,143|
25,83,24,83|
92,150,91,150|
129,153,128,153|
42,38,41,38|
101,194,100,194|
104,82,105,82|
154,148,154,147|
104,98,105,98|
92,109,93,109|
11,142,11,141|
62,19,61,19|
111,76,111,77|
34,103,35,103|
154,11,154,12|
194,33,194,34|
178,36,177,36|
182,37,182,38|
182,171,182,172|
8,84,9,84|
135,60,134,60|
171,125,171,124|
145,36,146,36|
128,49,129,49|
151,88,150,88|
14,40,14,39|
15,161,15,162|
190,199,189,199|
84,188,85,188|
65,65,64,65|
34,108,35,108|
60,1,60,2|
10,125,11,125|
94,126,93,126|
30,95,31,95|
179,200,179,199|
113,189,114,189|
47,102,46,102|
111,68,111,67|
13,193,13,192|
114,8,113,8|
189,20,189,21|
7,154,6,154|
157,11,158,11|
72,84,73,84|
71,163,71,164|
181,106,181,107|
155,125,156,125|
58,16,58,15|
197,3,198,3|
27,59,28,59|
58,53,59,53|
30,58,31,58|
60,3,60,2|
175,74,176,74|
180,67,181,67|
32,167,33,167|
52,192,52,193|
21,101,21,102|
7,104,6,104|
140,46,139,46|
48,174,48,173|
186,90,186,89|
65,98,65,99|
184,70,184,69|
149,4,148,4|
161,177,161,176|
190,65,191,65|
13,189,14,189|
73,11,72,11|
31,191,31,192|
176,32,175,32|
109,92,109,91|
134,150,135,150|
39,196,39,195|
62,119,61,119|
46,24,46,23|
121,141,121,140|
137,111,138,111|
92,35,92,34|
161,33,160,33|
169,88,169,89|
52,100,52,99|
7,163,7,164|
5,137,5,138|
36,145,37,145|
91,163,90,163|
194,108,194,107|
61,151,61,152|
34,38,34,37|
160,13,159,13|
28,161,29,161|
149,128,150,128|
137,95,137,96|
167,45,168,45|
125,162,125,163|
172,79,172,80|
104,136,103,136|
93,108,92,108|
17,147,17,146|
16,183,16,184|
64,72,64,73|
186,157,185,157|
180,40,180,39|
13,95,13,94|
199,114,199,115|
4,163,4,162|
87,103,86,103|
71,157,71,158|
71,131,70,131|
181,112,182,112|
74,125,73,125|
50,6,50,7|
143,124,142,124|
39,89,39,90|
11,109,12,109|
159,86,159,85|
193,138,194,138|
6,134,6,133|
142,182,143,182|
177,155,177,154|
93,124,93,125|
191,6,192,6|
109,27,109,26|
200,79,199,79|
188,20,188,21|
63,162,63,161|
18,80,19,80|
101,182,102,182|
15,56,15,55|
53,32,53,33|
74,27,74,28|
38,36,38,37|
137,162,138,162|
28,140,28,141|
173,33,172,33|
12,67,12,68|
11,167,11,168|
139,155,140,155|
60,34,59,34|
163,60,163,61|
111,116,112,116|
39,48,40,48|
187,14,187,15|
129,180,129,179|
55,199,55,200|
195,3,194,3|
160,49,159,49|
73,161,73,160|
190,156,191,156|
189,46,188,46|
130,84,130,83|
89,46,89,45|
7,45,7,46|
100,82,100,81|
13,117,12,117|
2,3,3,3|
29,143,29,142|
97,34,96,34|
141,2,141,3|
23,89,23,88|
148,67,147,67|
147,174,147,173|
154,145,154,146|
106,124,107,124|
31,178,31,177|
190,20,189,20|
195,106,194,106|
170,154,170,155|
9,27,10,27|
197,26,197,25|
6,25,5,25|
105,52,105,53|
168,17,169,17|
175,167,175,168|
103,190,104,190|
44,114,44,115|
102,47,102,48|
24,138,24,137|
151,38,151,37|
3,36,2,36|
90,55,91,55|
40,195,40,194|
79,39,79,38|
172,174,172,175|
47,59,47,60|
89,90,89,89|
54,79,53,79|
122,29,123,29|
28,99,28,98|
84,45,83,45|
64,126,64,125|
147,47,146,47|
85,120,85,121|
141,6,141,7|
87,148,87,147|
73,16,73,17|
96,70,95,70|
16,76,16,77|
38,13,39,13|
40,178,39,178|
98,56,98,55|
122,48,122,47|
84,132,84,131|
153,109,152,109|
186,112,185,112|
196,187,196,188|
86,4,85,4|
166,176,166,175|
22,174,22,175|
157,143,157,142|
16,118,15,118|
46,6,47,6|
102,115,103,115|
143,140,143,139|
30,135,30,136|
18,133,19,133|
119,126,120,126|];