n=50;
m=10;
w=[50,43,26,22,60,73,35,73,26,74,47,56,55,67,97,100,28,71,52,63,72,61,14,26,16,28,32,42,77,98,14,2,84,88,33,51,26,48,2,16,3,97,68,27,53,3,25,19,86,6];