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