S = input()
N = int(input())
T = input()

if S.count("o") in [0, 3] or N == 0:
    if S == T:
        print("FAILURE")
    else:
        print("SUCCESS")
elif N == 1:
    a = S[0] + S[2] + S[1]
    b = S[1] + S[0] + S[2]
    if T in [a, b]:
        print("FAILURE")
    else:
        print("SUCCESS")
else:
    if S.count("o") == T.count("o"):
        print("FAILURE")
    else:
        print("SUCCESS")