n=80;
m=125;
X=[49,9,32,43,11,67,8,46,37,40,66,23,11,75,53,68,43,52,9,54,25,32,44,21,44,30,31,42,62,3,39,68,48,23,77,3,3,55,62,48,32,49,27,19,65,26,10,59,38,75,67,10,49,16,4,38,10,24,62,9,44,71,22,49,70,39,20,49,43,51,23,31,2,75,79,68,70,67,18,47,55,20,8,50,8,73,79,19,47,18,24,13,57,53,55,12,67,56,55,68,49,73,52,75,11,6,31,75,43,69,30,65,32,61,73,80,14,43,13,46,12,46,13,70,21];