#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
using namespace std;

int main()
{
    string s, t;
    int n;
    cin >> s >> n >> t;

    if(n % 2 == 0){
        string s2 = s;
        reverse(s2.begin(), s2.end());
        if(s != t && s2 != t)
            cout << "SUCCESS" << endl;
        else
            cout << "FAILURE" << endl;
    }
    else{
        string s2 = s;
        string s3 = s;
        swap(s2[0], s2[1]);
        swap(s3[1], s3[2]);
        if(s2 != t && s3 != t)
            cout << "SUCCESS" << endl;
        else
            cout << "FAILURE" << endl;
    }

    return 0;
}