#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

#define RREP(i,s,e) for (int i = e-1; i >= s; i--)
#define rrep(i,n) RREP(i,0,n)
#define REP(i,s,e) for (int i = s; i < e; i++)
#define rep(i,n) REP(i,0,n)

int main() {
    string s1,s2;
    long long n;
    int cnt1, cnt2;
    cin >> s1 >> n >> s2;

    cnt1 = cnt2 = 0;
    rep (i,3) {
        cnt1 += s1[i] == 'o';
        cnt2 += s2[i] == 'o';
    }
    if (cnt1 != cnt2 || n == 0 && s1 != s2)
        cout << "SUCCESS" << endl;
    else if (n >= 2 || s1 == s2)
        cout << "FAILURE" << endl;
    else if (string{}+s1[1]+s1[0]+s1[2] == s2 || string{}+s1[0]+s1[2]+s1[1] == s2)
        cout << "FAILURE" << endl;
    else
        cout << "SUCCESS" << endl;
    return 0;
}