matrix := [
[0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0],
[10,0,0,3,0,0,0,0,28,21,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,21,10,0,28,0,0,0,10,0,0,0,0,28,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,18,10,0,0,21,10,3,0,0,28,0,0,0,0,0,28,0,0,0,0,0,21,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0],
[10,18,0,16,0,24,0,0,18,21,0,20,0,20,13,10,0,0,18,0,0,18,0,10,0,0,0,0,0],
[21,21,21,7,10,28,0,28,21,28,3,13,21,23,10,10,13,0,8,0,0,21,10,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0],
[24,13,0,25,24,25,13,24,26,20,18,11,20,11,5,11,18,18,13,0,18,0,11,11,0,10,0,0,
 0],
[18,0,0,21,10,0,28,0,10,0,28,28,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0],
[0,10,28,3,0,6,0,21,0,3,0,0,0,0,24,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[7,18,0,6,0,24,0,0,18,24,0,20,0,20,13,13,0,21,18,0,0,18,0,0,0,0,0,0,0],
[5,3,0,21,20,21,0,28,20,10,0,18,0,0,21,28,0,0,0,20,0,0,18,18,18,0,0,18,0],
[4,13,20,12,6,22,3,6,8,10,18,1,20,11,15,14,18,18,13,23,18,0,1,1,8,20,0,21,21],
[24,0,18,7,6,7,11,6,11,18,20,13,5,13,20,13,20,20,11,0,10,0,26,13,0,18,0,0,0],
[20,3,13,25,27,14,0,14,9,10,24,5,3,18,24,25,3,3,10,20,21,0,15,5,18,13,21,18,0]
]*Z(31);