08. Secret Door's Lock

a = int(input())
b = int(input())
c = int(input())

for i in range(2, a + 1):
    for j in range(2, b + 1):
        for x in range(2, c + 1):
            if i % 2 == 0 and x % 2 == 0 and (j == 2 or j == 3 or j == 5 or j == 7):
                print(f'{i} {j} {x}')