unique pin codes

first_numb_max = int(input())
sec_numb_max = int(input())
third_numb_max = int(input())
for symb1 in range(2, first_numb_max + 1, 2):
    for symb2 in range(2, sec_numb_max + 1):
        symb2_is_prime = True
        for checking_is_prime in range(2, symb2):
            if symb2 % checking_is_prime == 0:
                symb2_is_prime = False
                break
        if symb2_is_prime:
            for symb3 in range(2, third_numb_max + 1, 2):
                print(f"{symb1} {symb2} {symb3}")