06. Uniwue PIN Codes

n1 = int(input())
n2 = int(input())
n3 = int(input())

for a in range(1, n1+1):
    if a % 2 ==0:
        for b in range (1, n2+1):
            if b == 2 or b == 3 or b == 5 or b ==7:
                for c in range (1, n3+1):
                    if c % 2 ==0:
                        print(f"{a} {b} {c}")