# Ilpo Kantonen 2nd June 2023
nums = [71, 22, 51, 6, 53, 49, 69, 70, 48, 98, 20, 75, 0, 25, 19, 81, 99, 46, 31, 29, 7, 73, 55, 18, 64, 37, 33, 14, 11, 84, 21]
n = 3
i = 0

while i < (1 << n):
    for j in range(n):
        if ((i & (1 << j)) != 0):
            print(nums[j])
    print()
    i += 1