sb = input()
n = int(input())
sa = input()

if sorted(sb) != sorted(sa):
    print("SUCCESS")
elif n >= 2:
    print("FAILURE")
elif n == 1:
    ans = set([])
    ans.add(sb[0] + sb[2] + sb[1])
    ans.add(sb[1] + sb[0] + sb[2])
    if sa in ans:
        print("FAILURE")
    else:
        print("SUCCESS")
elif sb == sa:
    print("FAILURE")
else:
    print("SUCCESS")