n=150; m=250; X=[3,50,109,44,10,20,138,29,111,74,65,38,79,79,75,34,89,108,38,133,96,74,106,31,127,146,141,104,49,24,149,86,117,100,123,140,2,38,84,131,13,91,3,150,86,73,122,42,21,9,24,81,138,127,130,59,103,116,107,149,41,149,120,125,18,106,28,91,34,68,55,106,32,66,148,132,92,136,32,122,42,24,72,119,8,76,140,59,10,136,100,56,124,121,56,79,24,75,116,112,98,73,45,75,94,35,69,38,95,71,107,99,93,150,6,19,50,70,68,93,51,17,9,66,56,77,43,13,141,74,26,49,39,72,89,65,87,143,106,7,35,52,97,44,38,96,54,73,127,26,80,56,134,15,28,20,45,144,99,43,87,55,65,66,107,70,18,103,115,94,8,108,60,130,148,111,51,146,26,80,128,50,67,93,2,10,148,22,122,22,76,139,58,48,29,52,81,102,110,51,88,116,83,55,125,23,54,57,49,39,45,46,137,4,83,140,49,111,2,136,17,95,50,80,114,58,52,44,112,35,89,45,138,147,83,83,35,31,140,115,85,84,26,97,3,135,130,149,143,87];