Sb = input()
N = int(input())
Sa = input()
if Sb.count('o') != Sa.count('o'):
    print('SUCCESS')
elif N == 0:
    if Sb == Sa:
        print('FAILURE')
    else:
        print('SUCCESS')
elif N == 1:
    St1 = Sb[0] + Sb[2] + Sb[1]
    St2 = Sb[1] + Sb[0] + Sb[2]
    if St1 == Sa or St2 == Sa:
        print('FAILURE')
    else:
        print('SUCCESS')
else:
    print('FAILURE')