#include <bits/stdc++.h>
using namespace std;

int main() {
  string S, T;
  int N;
  cin >> S >> N >> T;
  if (count(S.begin(), S.end(), 'o') != count(T.begin(), T.end(), 'o')) cout << "SUCCESS";
  else if (N == 0) cout << ((S != T) ? "SUCCESS" : "FAILURE");
  else if (N > 1) cout << "FAILURE";
  else {
    string s = S;
    swap(S.at(0), S.at(1)), swap(s.at(1), s.at(2));
    cout << ((S == T || s == T) ? "FAILURE" : "SUCCESS") << "\n";
  }
  cout << "\n";
}