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

pat = []
if N == 0:
    pat = [[0, 1, 2]]
elif N == 1:
    pat = [[1, 0, 2], [0, 2, 1]]
elif N % 2 == 0:
    pat = [[0, 1, 2], [1, 2, 0], [2, 0, 1]]
else:
    pat = [[1, 0, 2], [0, 2, 1], [2, 1, 0]]

success = True
for p in pat:
    if all(SB[i] == SA[p[i]] for i in range(3)):
        success = False
        break

print('SUCCESS' if success else 'FAILURE')