B = str(input())
N = int(input())
A = str(input())

if N == 0:
    if B == A:
        print("FAILURE")
    else:
        print("SUCCESS")
elif N == 1:
    if (B[0]==A[1] and B[1]==A[0] and B[2]==A[2]) or (B[0]==A[0] and B[1]==A[2] and B[2]==A[1]):
        print("FAILURE")
    else:
        print("SUCCESS")
elif N == 2:
    if (B==A) or (B[0]==A[2] and B[1]==A[0] and B[2]==A[1]) or (B[0]==A[1] and B[1]==A[2] and B[2]==A[0]):
        print("FAILURE")
    else:
        print("SUCCESS")
else:
    if N%2==0:
        if (B==A) or (B[0]==A[2] and B[1]==A[0] and B[2]==A[1]) or (B[0]==A[1] and B[1]==A[2] and B[2]==A[0]):
            print("FAILURE")
        else:
            print("SUCCESS")
    else:
        if (B[0]==A[1] and B[1]==A[0] and B[2]==A[2]) or (B[0]==A[0] and B[1]==A[2] and B[2]==A[1]) or (B[0]==A[2] and B[1]==A[1] and B[2]==A[0]):
            print("FAILURE")
        else:
            print("SUCCESS")