KCPC = ["#...#.#####",
        "#.##..#....",
        "##....#....",
        "#.##..#....",
        "#...#.#####",
        "...........",
        "####..#####",
        "#...#.#....",
        "####..#....",
        "#.....#....",
        "#.....#####"
        ]

KUPC = ["#...#.#...#",
        "#.##..#...#",
        "##....#...#",
        "#.##..#...#",
        "#...#.#####",
        "...........",
        "####..#####",
        "#...#.#....",
        "####..#....",
        "#.....#....",
        "#.....#####"
        ]

n = int(input())
s = [input() for _ in range(n)]

k = n // 11

shape = []
for i in range(11):
    row = ""
    for j in range(11):
        row += s[i * k][j * k]
    shape.append(row)

if shape == KCPC:
    print("KCPC")
else:
    print("KUPC")