import sys
input=lambda: sys.stdin.readline().rstrip()
Sb=input()
n=int(input())
Sa=input()
if n==0:
  if Sb==Sa:
    print("FAILURE")
  else:
    print("SUCCESS")
elif n==1:
  if Sa==Sb[1]+Sb[0]+Sb[2] or Sa==Sb[0]+Sb[2]+Sb[1]:
    print("FAILURE")
  else:
    print("SUCCESS")
else:
  if Sa==Sb[1]+Sb[0]+Sb[2] or Sa==Sb[0]+Sb[2]+Sb[1] or Sa==Sb[2]+Sb[1]+Sb[0]:
    if n%2==1:
      print("FAILURE")
    else:
      print("SUCCESS")
  else:
    if n%2==0:
      print("FAILURE")
    else:
      print("SUCCESS")