pin_one = int(input())
pin_two = int(input())
pin_three = int(input())
for num_one in range(2, pin_one+1, 2):
    for number_two in range(2, pin_two+1):
        for num_tree in range(2, pin_three+1, 2):
            if str(number_two) in "2357":
                print(num_one, number_two, num_tree)