M=100;
N=100;
K=24;
L=27;
D=1000;
students=[|54,58,54,59|
68,2,68,3|
4,36,4,35|
23,26,22,26|
33,63,34,63|
40,12,40,11|
31,52,30,52|
80,85,79,85|
13,90,12,90|
70,26,70,25|
90,30,91,30|
26,92,27,92|
36,26,36,27|
83,93,84,93|
49,80,50,80|
82,84,82,83|
49,64,50,64|
14,27,15,27|
31,84,31,85|
65,53,64,53|
56,28,55,28|
86,89,85,89|
18,82,18,83|
56,85,56,84|
42,64,41,64|
29,44,30,44|
66,26,66,25|
17,53,18,53|
42,18,42,19|
49,37,48,37|
43,9,43,8|
15,45,14,45|
40,87,40,86|
87,60,87,59|
93,78,93,77|
46,22,47,22|
80,51,81,51|
17,55,17,54|
94,24,95,24|
66,5,66,4|
93,31,92,31|
31,83,31,84|
24,71,24,70|
96,86,95,86|
2,81,1,81|
22,15,21,15|
56,98,56,99|
28,45,29,45|
5,13,6,13|
96,57,95,57|
14,11,15,11|
45,52,45,51|
15,28,15,29|
94,9,94,10|
41,26,41,25|
35,65,36,65|
28,49,28,48|
4,31,4,32|
45,55,46,55|
100,65,100,66|
60,80,61,80|
61,75,60,75|
64,43,65,43|
61,38,60,38|
72,31,72,30|
18,67,17,67|
73,28,73,27|
58,93,58,92|
33,9,34,9|
54,93,53,93|
83,63,83,64|
23,36,23,37|
58,65,58,66|
22,98,21,98|
6,26,6,27|
1,74,2,74|
77,95,77,96|
30,39,30,40|
66,31,67,31|
1,43,2,43|
48,74,48,75|
26,58,27,58|
80,95,81,95|
87,86,87,85|
52,6,53,6|
73,59,73,58|
85,6,85,7|
22,48,22,49|
62,23,62,22|
80,36,80,35|
28,19,29,19|
66,95,65,95|
57,46,57,47|
39,62,39,61|
8,47,8,46|
86,15,86,16|
31,86,32,86|
6,97,6,98|
11,31,12,31|
27,44,27,45|
56,94,56,95|
13,46,12,46|
61,91,60,91|
61,60,62,60|
75,97,76,97|
95,27,95,28|
40,92,40,93|
74,27,74,28|
95,7,95,6|
47,51,46,51|
3,17,4,17|
12,81,12,80|
42,66,42,65|
36,11,35,11|
80,56,81,56|
62,39,63,39|
19,52,20,52|
16,8,16,9|
75,27,75,26|
45,1,46,1|
9,99,9,98|
43,70,43,71|
56,74,55,74|
7,42,6,42|
6,69,6,70|
34,86,34,87|
44,34,44,33|
33,16,32,16|
30,65,29,65|
65,3,65,4|
75,20,74,20|
39,98,40,98|
21,62,20,62|
80,30,81,30|
13,30,13,29|
88,32,88,33|
42,79,41,79|
38,5,37,5|
35,22,36,22|
66,70,66,69|
37,51,37,50|
37,36,38,36|
7,5,7,4|
38,3,38,4|
42,26,42,25|
98,44,98,45|
35,42,34,42|
99,80,100,80|
76,19,77,19|
1,84,1,83|
86,31,86,32|
93,96,94,96|
65,69,64,69|
88,63,88,64|
36,68,37,68|
64,90,64,89|
95,32,95,31|
21,26,21,27|
91,18,90,18|
47,18,47,17|
70,60,70,61|
88,52,88,53|
6,17,6,18|
23,67,22,67|
79,68,79,67|
33,20,33,19|
73,14,74,14|
44,41,43,41|
49,79,50,79|
51,50,51,49|
2,22,1,22|
42,82,42,83|
94,27,94,28|
52,42,53,42|
43,15,43,14|
58,86,58,85|
37,6,38,6|
25,92,25,93|
68,21,69,21|
2,60,1,60|
98,66,98,67|
69,11,70,11|
82,76,82,75|
54,73,54,74|
18,8,19,8|
51,81,51,80|
48,73,49,73|
29,80,30,80|
51,20,51,19|
34,95,34,94|
85,60,84,60|
72,68,72,67|
54,46,53,46|
43,54,42,54|
79,40,79,41|
98,84,97,84|
59,64,59,65|
6,53,7,53|
99,13,100,13|
32,13,33,13|
50,79,50,80|
38,52,38,53|
53,26,52,26|
17,95,17,94|
36,36,36,37|
41,41,40,41|
26,12,25,12|
13,77,13,76|
8,37,7,37|
67,9,67,10|
7,53,7,52|
26,55,26,56|
70,75,69,75|
52,9,53,9|
80,17,81,17|
51,45,51,44|
84,45,84,46|
40,73,41,73|
8,81,8,80|
37,2,37,3|
87,80,86,80|
28,29,27,29|
87,93,88,93|
15,46,14,46|
9,16,10,16|
71,31,71,30|
6,60,5,60|
90,64,91,64|
37,40,37,39|
26,97,25,97|
34,77,34,78|
24,11,25,11|
23,50,23,51|
79,48,79,47|
41,93,40,93|
88,61,88,62|
9,74,10,74|
2,68,2,69|
56,62,55,62|
10,96,10,95|
93,3,92,3|
53,85,53,86|
48,54,48,53|
12,93,12,92|
88,34,88,33|
3,21,4,21|
14,57,14,58|
37,91,36,91|
74,83,73,83|
4,99,5,99|
1,48,1,49|
45,3,44,3|
88,61,88,60|
19,96,19,95|
40,87,41,87|
85,40,86,40|
90,78,90,77|
82,49,82,50|
36,36,36,35|
79,11,79,10|
29,77,29,78|
41,12,41,11|
39,93,39,94|
57,67,58,67|
12,70,13,70|
62,54,61,54|
85,2,86,2|
99,17,99,16|
42,8,42,9|
96,20,96,21|
90,11,91,11|
58,28,58,29|
96,38,96,37|
52,61,52,60|
60,69,61,69|
11,55,11,54|
28,28,29,28|
64,25,65,25|
43,2,42,2|
31,64,30,64|
29,15,28,15|
1,63,2,63|
50,82,49,82|
57,44,58,44|
84,10,83,10|
11,56,10,56|
12,60,11,60|
53,39,53,40|
82,51,83,51|
34,86,35,86|
88,58,88,59|
62,18,62,19|
35,62,35,61|
23,86,23,85|
65,21,65,22|
31,50,30,50|
55,4,55,3|
79,62,79,63|
41,59,41,60|
13,22,12,22|
3,99,4,99|
40,58,40,57|
35,9,35,8|
97,64,97,63|
19,51,19,52|
2,21,3,21|
46,92,45,92|
28,73,28,74|
74,73,73,73|
73,87,74,87|
72,35,72,34|
81,44,80,44|
44,84,44,85|
55,47,55,48|
88,72,88,71|
32,64,31,64|
52,95,51,95|
92,34,92,35|
97,43,96,43|
85,30,85,29|
14,69,15,69|
15,59,15,60|
27,77,26,77|
72,2,73,2|
12,29,13,29|
49,67,49,68|
15,99,15,100|
99,11,98,11|
69,59,69,60|
39,21,40,21|
76,74,75,74|
40,31,40,30|
51,46,51,47|
62,32,63,32|
84,9,84,10|
89,25,89,24|
10,80,11,80|
78,1,78,2|
57,84,58,84|
88,76,87,76|
99,12,100,12|
82,72,82,73|
62,59,63,59|
58,80,57,80|
13,76,14,76|
46,79,45,79|
51,59,51,58|
2,6,2,5|
31,23,31,22|
41,22,41,23|
75,75,75,76|
9,51,9,50|
43,37,44,37|
29,65,29,64|
60,2,60,3|
72,74,72,73|
37,61,38,61|
44,58,45,58|
87,15,86,15|
96,51,96,52|
34,54,35,54|
36,8,35,8|
20,98,19,98|
30,90,31,90|
23,89,24,89|
25,61,25,60|
49,22,48,22|
97,82,97,81|
66,45,66,44|
54,10,53,10|
59,79,59,80|
71,93,72,93|
38,23,38,24|
28,63,27,63|
33,65,34,65|
87,76,87,77|
76,32,76,31|
75,82,75,83|
29,24,28,24|
41,46,40,46|
1,65,1,64|
52,83,51,83|
13,27,13,26|
97,54,97,55|
48,53,49,53|
99,22,99,23|
71,40,70,40|
46,1,46,2|
47,67,47,68|
24,34,24,33|
19,76,19,75|
99,56,98,56|
13,37,13,38|
41,94,42,94|
29,10,29,9|
81,10,81,11|
55,86,54,86|
60,50,61,50|
98,40,98,41|
86,64,86,63|
71,100,71,99|
17,98,18,98|
60,22,60,21|
25,18,25,19|
2,69,2,70|
30,41,31,41|
2,86,2,87|
46,19,46,20|
2,82,1,82|
17,27,17,26|
27,7,27,6|
44,1,45,1|
23,50,24,50|
80,16,81,16|
47,100,46,100|
30,25,29,25|
52,81,53,81|
5,69,5,70|
37,37,37,36|
23,79,23,78|
10,46,10,45|
93,91,94,91|
37,65,36,65|
61,44,61,43|
21,23,21,24|
16,94,17,94|
48,21,49,21|
56,7,57,7|
61,38,62,38|
57,31,57,32|
93,24,94,24|
94,10,93,10|
14,61,14,60|
21,83,22,83|
80,63,80,64|
88,73,87,73|
50,61,51,61|
10,73,10,72|
92,72,93,72|
71,67,70,67|
57,34,57,35|
54,83,54,84|
83,22,82,22|
1,34,1,35|
81,45,81,44|
4,52,4,53|
22,83,23,83|
12,4,11,4|
75,90,76,90|
99,88,100,88|
90,1,89,1|
3,41,2,41|
20,59,19,59|
81,47,81,46|
83,5,83,6|
85,51,84,51|
89,41,90,41|
97,75,96,75|
97,9,97,10|
28,32,28,33|
94,77,94,78|
84,62,83,62|
3,44,2,44|
15,8,14,8|
53,10,53,9|
65,75,64,75|
44,80,44,81|
41,7,41,8|
62,6,63,6|
40,64,41,64|
35,52,35,53|
47,60,48,60|
4,47,3,47|
24,87,24,88|
96,83,96,82|
8,2,9,2|
10,19,11,19|
48,16,48,15|
28,67,28,66|
53,66,54,66|
99,29,99,30|
35,91,35,92|
72,33,73,33|
48,78,47,78|
64,34,64,35|
18,74,18,75|
81,92,81,91|
41,4,42,4|
17,7,17,8|
31,49,31,50|
54,72,54,71|
1,38,1,39|
58,41,58,40|
67,52,67,51|
71,2,72,2|
97,81,98,81|
21,90,20,90|
4,34,3,34|
13,62,14,62|
76,8,77,8|
35,77,36,77|
71,76,71,77|
39,72,38,72|
88,35,88,36|
91,60,91,61|
32,33,31,33|
67,86,67,87|
30,87,30,86|
94,69,94,70|
16,63,16,64|
72,4,72,3|
19,40,19,41|
2,76,1,76|
90,96,90,95|
22,45,22,44|
40,42,40,41|
86,78,85,78|
75,66,76,66|
64,31,64,30|
56,73,56,74|
34,68,33,68|
78,36,79,36|
12,87,11,87|
66,67,66,68|
89,97,89,96|
53,34,53,35|
20,77,19,77|
6,60,6,59|
100,39,99,39|
34,87,34,88|
68,85,67,85|
53,75,53,74|
18,31,18,32|
56,15,56,14|
5,10,5,9|
40,3,40,4|
99,1,100,1|
41,10,41,11|
24,35,25,35|
62,43,63,43|
34,41,34,40|
6,37,6,36|
61,16,62,16|
27,54,26,54|
16,70,16,71|
77,40,78,40|
68,76,69,76|
82,24,83,24|
42,14,42,15|
4,65,3,65|
50,84,50,85|
70,93,69,93|
53,75,52,75|
49,53,49,52|
45,13,45,12|
54,85,54,84|
42,57,42,56|
60,78,59,78|
67,48,66,48|
72,52,72,51|
94,88,94,87|
87,31,88,31|
41,31,42,31|
22,89,22,88|
27,76,27,77|
83,68,83,67|
70,14,69,14|
32,50,33,50|
78,26,78,27|
55,39,55,40|
24,42,25,42|
47,82,47,83|
31,5,32,5|
44,20,45,20|
70,59,70,60|
69,90,70,90|
91,49,92,49|
31,100,31,99|
91,68,90,68|
85,84,84,84|
45,91,46,91|
31,32,31,31|
11,40,11,41|
80,78,79,78|
59,74,60,74|
85,95,85,96|
12,44,11,44|
29,46,30,46|
41,64,42,64|
30,70,30,69|
35,56,34,56|
17,50,16,50|
62,28,62,29|
46,91,46,92|
31,65,32,65|
70,61,71,61|
62,15,62,14|
38,39,38,40|
64,74,65,74|
66,11,66,10|
64,84,64,85|
99,68,99,67|
44,45,45,45|
42,14,43,14|
30,53,29,53|
28,34,27,34|
99,65,99,66|
8,19,7,19|
70,51,70,52|
22,41,22,42|
89,58,88,58|
40,60,40,59|
54,17,54,16|
58,97,58,98|
5,77,5,76|
38,53,39,53|
55,21,56,21|
68,17,68,18|
15,26,15,27|
14,20,13,20|
77,87,76,87|
86,30,86,31|
8,19,8,20|
14,90,14,91|
95,40,94,40|
19,21,19,20|
36,79,37,79|
60,91,59,91|
60,86,60,85|
2,46,2,47|
17,66,18,66|
2,92,1,92|
84,80,84,81|
67,92,67,91|
62,60,62,59|
14,50,15,50|
46,62,47,62|
80,83,81,83|
78,43,77,43|
62,68,63,68|
69,2,69,3|
4,18,4,17|
72,1,71,1|
81,42,80,42|
80,95,80,94|
36,14,36,13|
37,8,37,7|
37,1,36,1|
42,67,42,68|
91,8,91,7|
75,45,75,46|
20,87,20,86|
72,89,73,89|
7,86,6,86|
9,98,9,97|
28,32,27,32|
7,4,6,4|
17,91,17,92|
81,16,82,16|
46,92,46,93|
100,97,100,98|
52,20,51,20|
89,31,88,31|
79,54,79,53|
44,54,44,55|
69,9,68,9|
77,77,78,77|
70,32,69,32|
6,1,7,1|
90,28,89,28|
79,95,78,95|
72,20,71,20|
44,38,44,39|
8,58,8,57|
21,2,21,3|
99,64,98,64|
61,86,62,86|
58,57,57,57|
7,75,8,75|
7,1,7,2|
18,4,17,4|
21,95,21,94|
65,73,66,73|
93,58,93,59|
93,25,93,24|
93,50,93,49|
80,46,81,46|
91,72,90,72|
78,90,78,89|
18,55,17,55|
37,40,36,40|
33,79,34,79|
5,57,6,57|
1,98,1,97|
7,16,6,16|
6,11,7,11|
7,99,7,98|
85,52,85,51|
7,34,8,34|
79,26,80,26|
75,47,74,47|
72,80,73,80|
5,44,6,44|
26,77,25,77|
82,22,81,22|
89,27,90,27|
98,84,98,83|
73,54,73,53|
29,95,29,94|
31,52,32,52|
28,21,27,21|
64,6,65,6|
13,65,13,64|
56,12,56,13|
39,45,39,44|
16,84,16,83|
39,54,39,55|
78,52,78,51|
8,1,8,2|
57,29,57,28|
60,53,60,54|
21,95,20,95|
20,78,20,77|
57,64,56,64|
29,15,29,16|
32,13,32,14|
85,95,85,94|
12,76,12,77|
17,77,18,77|
37,53,38,53|
57,78,57,79|
86,12,87,12|
41,72,42,72|
33,52,33,51|
64,64,63,64|
88,6,87,6|
60,75,60,76|
29,4,29,3|
63,70,64,70|
69,56,69,57|
38,66,38,67|
10,81,10,82|
23,86,22,86|
57,19,58,19|
28,26,29,26|
50,13,50,12|
3,23,3,24|
79,93,79,94|
20,8,19,8|
42,99,43,99|
38,7,38,6|
81,17,81,18|
34,40,33,40|
76,30,76,31|
23,72,24,72|
42,34,42,35|
64,80,64,79|
14,33,13,33|
38,62,37,62|
92,52,92,51|
79,10,78,10|
47,74,46,74|
84,47,83,47|
14,87,14,88|
82,95,83,95|
24,52,23,52|
3,95,4,95|
35,24,36,24|
39,40,40,40|
46,29,46,28|
83,17,82,17|
24,65,24,64|
75,41,75,40|
27,44,26,44|
56,45,57,45|
51,51,51,52|
77,28,76,28|
69,74,70,74|
47,48,46,48|
21,98,21,99|
58,43,59,43|
87,54,87,53|
27,22,27,21|
74,98,75,98|
25,86,25,85|
98,96,98,97|
73,67,72,67|
66,48,66,49|
81,11,80,11|
3,67,3,68|
69,95,69,94|
89,18,90,18|
48,13,48,14|
4,83,5,83|
99,36,98,36|
24,50,24,51|
24,83,25,83|
24,50,24,49|
17,56,18,56|
5,66,4,66|
83,23,83,24|
24,54,23,54|
62,93,62,94|
92,26,92,27|
62,51,62,50|
13,46,13,47|
95,14,95,13|
97,70,96,70|
64,14,64,13|
77,33,76,33|
32,41,33,41|
19,77,19,78|
80,43,80,44|
92,13,92,14|
57,2,57,3|
64,88,65,88|
71,22,71,23|
60,35,59,35|
80,87,79,87|
38,11,37,11|
57,20,56,20|
74,16,74,15|
16,72,17,72|
28,10,29,10|
40,90,39,90|
73,41,73,40|
22,10,23,10|
30,39,30,38|
77,21,78,21|
6,97,6,96|
95,23,95,22|
5,6,4,6|
31,3,31,4|
23,95,23,96|
80,31,79,31|
59,67,58,67|
85,20,85,21|
27,92,27,93|
2,36,2,37|
34,58,33,58|
72,41,72,40|
87,11,88,11|
86,23,86,22|
72,92,72,91|
67,53,68,53|
64,15,65,15|
59,27,59,28|
91,69,92,69|
79,63,78,63|
34,100,34,99|
12,26,11,26|
62,40,61,40|
99,69,100,69|
44,28,44,29|
2,79,2,78|
15,38,15,37|
79,81,78,81|
33,43,34,43|
96,40,97,40|
12,100,11,100|
70,13,70,12|
4,49,5,49|
55,56,56,56|
19,67,19,68|
19,41,19,42|
69,16,69,17|
37,94,37,95|
1,49,2,49|
40,74,40,73|
47,20,46,20|
29,100,29,99|
32,79,32,80|
38,15,37,15|
25,33,25,34|
48,36,47,36|
63,25,64,25|
47,7,48,7|
52,8,53,8|
36,97,35,97|
16,49,16,48|
5,6,5,7|
16,75,15,75|
52,87,51,87|
10,84,10,83|
34,50,35,50|
89,15,89,14|
76,51,76,52|
59,40,58,40|
69,80,69,81|
10,85,10,84|
77,97,77,96|
32,17,31,17|
94,91,94,92|
51,27,52,27|
31,85,31,84|
34,47,33,47|
77,21,76,21|
95,92,94,92|
1,95,1,96|
84,100,84,99|
83,48,84,48|
32,99,32,98|
52,43,53,43|
63,15,63,14|
69,79,69,78|
52,1,53,1|
25,65,25,64|
52,81,51,81|
2,45,1,45|
81,42,81,43|
81,86,81,87|
56,17,56,16|
70,44,70,45|
82,90,82,89|
21,33,20,33|
26,35,27,35|
29,64,28,64|
46,67,45,67|
27,90,26,90|
32,88,32,87|
42,19,42,20|
64,22,64,21|
14,63,14,64|
53,9,53,8|
93,54,93,53|
66,60,66,59|
29,9,30,9|
99,99,99,100|
49,42,48,42|
63,38,63,39|
23,24,23,25|
1,3,1,4|
3,57,3,56|
1,45,1,44|
62,6,61,6|
77,38,77,37|
43,37,43,38|
8,33,7,33|
18,42,19,42|
64,85,64,86|
50,59,50,58|
68,57,67,57|
10,32,11,32|
71,38,70,38|
40,72,41,72|
15,75,15,76|
10,54,9,54|
94,38,95,38|
78,87,78,86|
17,93,16,93|
99,14,99,15|
66,33,65,33|
88,65,88,64|
29,19,29,20|
31,39,31,40|
74,91,75,91|
48,43,47,43|
1,15,1,14|
90,34,90,35|
34,36,35,36|
36,16,35,16|
13,79,13,80|
34,50,33,50|
74,65,74,66|
25,19,25,20|
72,16,72,17|
53,12,53,13|
30,11,29,11|
33,75,33,74|
58,44,59,44|
58,97,58,96|
3,100,2,100|
99,6,99,5|
67,91,66,91|
15,73,14,73|
29,6,29,7|
90,49,91,49|
57,88,56,88|
55,86,55,87|
85,13,84,13|
45,35,44,35|
73,27,72,27|
40,53,40,52|
45,59,45,58|
58,9,57,9|
28,82,27,82|
96,95,96,96|
26,15,26,14|
1,14,2,14|
24,81,23,81|
80,27,80,28|
34,100,33,100|
14,22,14,21|
33,57,33,58|
36,29,35,29|
99,70,98,70|
33,28,33,27|
77,16,77,15|
48,42,48,43|
6,73,7,73|];