n=230; s=300; edge=[|1,2,5| 2,3,3| 2,4,3| 4,5,2| 4,6,5| 5,17,1| 6,7,3| 6,11,4| 7,8,3| 7,9,6| 7,10,3| 11,12,3| 11,13,2| 13,14,12| 13,15,3| 13,16,1| 18,19,4| 19,20,3| 19,21,3| 21,22,2| 21,23,5| 22,34,1| 23,24,3| 23,28,4| 24,25,3| 24,26,6| 24,27,3| 28,29,3| 28,30,2| 30,31,11| 30,32,3| 30,33,1| 35,36,4| 36,37,3| 36,38,3| 38,39,2| 38,40,5| 39,51,17| 40,41,3| 40,45,4| 41,42,3| 41,43,6| 41,44,3| 45,46,3| 45,47,2| 47,48,19| 47,49,3| 47,50,1| 52,53,5| 53,54,3| 53,55,3| 55,56,2| 55,57,5| 56,68,1| 57,58,3| 57,62,4| 58,59,3| 58,60,6| 58,61,3| 62,63,3| 62,64,2| 64,65,13| 64,66,3| 64,67,1| 51,52,13| 34,35,11| 17,18,9| 69,70,5| 70,71,3| 70,72,6| 70,73,7| 74,76,2| 75,76,3| 76,77,6| 77,78,8| 77,79,5| 77,80,2| 80,81,4| 73,74,13| 82,83,5| 83,84,3| 83,85,3| 85,86,2| 85,87,5| 86,98,15| 87,88,3| 87,92,4| 88,89,3| 88,90,6| 88,91,3| 92,93,3| 92,94,2| 94,95,12| 94,96,3| 94,97,11| 99,100,4| 100,101,3| 100,102,3| 102,103,2| 102,104,5| 103,115,1| 104,105,3| 104,109,4| 105,106,3| 105,107,6| 105,108,3| 109,110,3| 109,111,2| 111,112,10| 111,113,3| 111,114,1| 116,117,4| 117,118,3| 117,119,3| 119,120,2| 119,121,5| 120,132,1| 121,122,3| 121,126,4| 122,123,3| 122,124,6| 122,125,3| 126,127,3| 126,128,2| 128,129,14| 128,130,3| 128,131,17| 133,134,5| 134,135,3| 134,136,3| 136,137,2| 136,138,5| 137,149,1| 138,139,3| 138,143,4| 139,140,3| 139,141,6| 139,142,3| 143,144,3| 143,145,2| 145,146,12| 145,147,3| 145,148,19| 132,133,13| 115,116,11| 98,99,9| 81,82,13| 150,151,5| 151,152,3| 151,153,6| 151,154,7| 155,157,2| 156,157,3| 157,158,6| 158,159,8| 158,160,5| 158,161,2| 161,162,4| 154,155,13| 163,164,5| 164,165,3| 164,166,3| 166,167,2| 166,168,5| 167,179,15| 168,169,3| 168,173,4| 169,170,3| 169,171,6| 169,172,3| 173,174,3| 173,175,2| 175,176,12| 175,177,3| 175,178,11| 180,181,4| 181,182,3| 181,183,3| 183,184,2| 183,185,5| 184,196,1| 185,186,3| 185,190,4| 186,187,3| 186,188,6| 186,189,3| 190,191,3| 190,192,2| 192,193,10| 192,194,3| 192,195,1| 197,198,4| 198,199,3| 198,200,3| 200,201,2| 200,202,5| 201,213,1| 202,203,3| 202,207,4| 203,204,3| 203,205,6| 203,206,3| 207,208,3| 207,209,2| 209,210,14| 209,211,3| 209,212,17| 214,215,5| 215,216,3| 215,217,3| 217,218,2| 217,219,5| 218,230,1| 219,220,3| 219,224,4| 220,221,3| 220,222,6| 220,223,3| 224,225,3| 224,226,2| 226,227,12| 226,228,3| 226,229,19| 213,214,13| 196,197,11| 179,180,9| 162,163,13| 149,150,13| 68,69,13|];