n = int(input())
def main(n):
    a, b, c = list(map(int, input().split()))
    l = 0
    r = 10 ** 18
    while r - l > 1:
        m = (l + r) >> 1
        s = m * a + m * (m-1) // 2 * c
        if n <= s * b:
            r = m
        else:
            l = m
    s = (l * a + l * (l-1) // 2 * c) * b
    d = a + l * c
    return l * b + (n - s + d - 1) // d

ans0 = main(n)
ans1 = main(n)
if ans0 < ans1:
    print("KCPC")
elif ans0 == ans1:
    print("Same")
else:
    print("KUPC")