sb = input()
n = int(input()) % 3
sa = input()
S = set([sb])
while n:
    Ns = set([])
    for s in S:
        Ns.add(s[1]+s[0]+s[2])
        Ns.add(s[0]+s[2]+s[1])
    S = Ns
    n -= 1
print("FAILURE" if sa in S else "SUCCESS")