import collections
SB = input()
N=int(input())
SA = input()

if collections.Counter(SB) - collections.Counter(SA):
    print('SUCCESS')
elif N==0:
    if SA==SB:
        print('FAILURE')
    else:
        print('SUCCESS')
elif N<6:
    for i in range(2 ** N):
        B = SB
        for j in range(N):
            if ((i >> j) & 1):
                B = B[1]+B[0]+B[2]                
            else:
                B = B[0]+B[2]+B[1]
        if SA==B:
            print('FAILURE')
            exit()
    print('SUCCESS')
else:
    print('FAILURE')