s = input()
n = int(input())
t = input()

o_num_s, o_num_t = 0, 0
for i in range(3):
    if s[i] == 'o':
        o_num_s += 1
    if t[i] == 'o':
        o_num_t += 1
if o_num_s != o_num_t:
    print("SUCCESS")
elif o_num_s == 3 or o_num_s == 0:
    print("FAILURE")
elif o_num_s == 2:
    if s[1] == 'x':
        if s == t:
            if n == 1:
                print("SUCCESS")
            else:
                print("FAILURE")
        else:
            if n == 0:
                print("SUCCESS")
            else:
                print("FAILURE")
    else:
        if s == t:
            print("FAILURE")
        else:
            if n < 2:
                print("SUCCESS")
            else:
                print("FAILURE")
else:
    if s[1] == 'o':
        if s == t:
            if n == 1:
                print("SUCCESS")
            else:
                print("FAILURE")
        else:
            if n == 0:
                print("SUCCESS")
            else:
                print("FAILURE")
    else:
        if s == t:
            print("FAILURE")
        else:
            if n < 2:
                print("SUCCESS")
            else:
                print("FAILURE")