sb=raw_input()
n=int(raw_input())
sa=raw_input()
c=0
if n == 0 and (sb.count("x") != sa.count("x")) or (sb.count("o") != sa.count("o")):
    print("SUCCESS")
elif n == 1:
    if ("o" in sb[2] and "o" in sa[0]) or ("o" in sb[0] and "o" in sa[2]):
        if ("o" in sb[1]) and ("o" in sa[1]):
            if ("o" in sb[0] and "o" in sa[2]) or ("o" in sb[2] and "o" in sa[2]):
                print("FAILURE")
            else:
                print("SUCCESS")
    else:
        for i in range(0,3):
            if sb[i] == sa[i]:
                c+=1
        if c == 3:
            print("FAILURE")
else:
    print("FAILURE")