a, b, c = list(input())

n = int(input())

L = [
    set([(a, b, c)]),
    set([(a, c, b), (b, a, c)]),
    set([(a, b, c), (c, a, b), (b, c, a)]),
    set([(a, c, b), (b, a, c), (c, b, a)]),
]

if n > 3:
    n = n % 2 + 2
d = {"a": a, "b": b, "c": c}


B = tuple(input())
print("SUCCESS" if not B in L[n] else "FAILURE")