S1 = input()
N = int(input())
S2 = input()

def coin_magic(n,s1,s2):
    a, b, c = list(s1)
    if n == 0:
        return 'FAILURE' if s2 == s1 else 'SUCCESS'
    if n == 1:
        one = [''.join([b, a, c]), ''.join([a, c, b])]
        return 'FAILURE' if s2 in one else 'SUCCESS' 
    else:
        if s1.count('o') == s2.count('o'):
            return 'FAILURE'
        else:
            return 'SUCCESS'

print(coin_magic(N, S1, S2))