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

int main(){
    string S;
    cin >> S;

    int N;
    cin >> N;

    set<string> stock;
    stock.insert(S);

    for(int i=0;i<N;i++){
        set<string> newStk;

        for(string x : stock){
            string nx = x;
            swap(nx[0], nx[1]);
            newStk.insert(nx);
            
            nx = x;
            swap(nx[1], nx[2]);
            newStk.insert(nx);
        }

        if(stock == newStk)
            break;

        stock = newStk;
    }

    string T;
    cin >> T;

    cout << (stock.count(T) != 0 ? "FAILURE" : "SUCCESS") << endl;
    return 0;
}