JK
Size: a a a
JK
JK
all = [int(input()) for i in range(int(input()))]
s = 0
for i in all:
for j in all[all.index(i)+1:]:
if (i+j) % 12 == 0:
s += 1
print(f'({i};{j})')
print()
print(s)ДК
<Ч
JK
ДК
ДК
<Ч
R3
R3
JK
MN
JK
R3
JK
R3
<Ч
<Ч
<Ч
MN