#include <iostream>
#include <algorithm>
#include <vector>
#include <string>

void fail() {
    std::cout << "FAILURE" << std::endl;
    std::exit(0);
}

void succ() {
    std::cout << "SUCCESS" << std::endl;
    std::exit(0);
}

void solve() {
    std::string s, t;
    int n;
    std::cin >> s >> n >> t;

    if ((std::count(s.begin(), s.end(), 'o') !=
         std::count(t.begin(), t.end(), 'o')) ||
        (n == 0 && s != t)) succ();

    if (n != 1) fail();

    for (int i = 0; i < 2; ++i) {
        std::swap(s[i], s[i + 1]);
        if (s == t) fail();
        std::swap(s[i], s[i + 1]);
    }

    succ();
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}