n=50;
d=[12,74,78,33,23,58,83,76,59,77,85,25,18,98,16,100,79,88,36,53,72,95,93,39,78,5,15,56,26,62,65,57,69,63,31,63,68,46,40,46,15,87,49,47,17,61,8,42,39,64];