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

pat = []
if 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')