vector1=[
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12]
]
vector2=[
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12],
[1,2,3,4,5,6,7,8,9,10,11,12]
]
iguales=True
for i in range(12):
if vector1[i][i]!=vector2[i][i]:
iguales=False
break
if iguales==True:
print "OK"
else:
print "KO"