Codeup 1083 - 3 6 9 게임의 왕이 되자.

a = int(input())

for i in range(1, a + 1):
    if(i == 3 or i == 6 or i == 9):
        print("X", end = " ")
    else:
        print(i, end = " ")

Codeup 1084 - 빛 섞어 색 만들기.
a, b ,c = input().split()

r = int(a)
g = int(b)
b = int(c)

count = 0

for i in range(r):
    for j in range(g):
        for k in range(b):
            count += 1
            print(i, j, k)

print(count)