#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <math.h>
#include <cmath>
#include <limits.h>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <functional>
#include <stdio.h>
using namespace std;

long long MOD = 1000000007;

int main() {
    
    string SB,SA;
    long long N;
    cin >> SB >> N >> SA;
    
    int a = 0, b = 0;
    for ( int i = 0; i < 3; i++ ) {
        if ( SB[i] == 'o' ) { b++; }
        if ( SA[i] == 'o' ) { a++; }
    }
    if ( a != b ) { cout << "SUCCESS" << endl; return 0; }
    else if ( a == 3 || b == 3 ) { cout << "FAILURE" << endl; return 0; }
    else {
        if ( SB[0] == SA[2] ) {
            cout << ( N >= 2 ? "FAILURE" : "SUCCESS" ) << endl;
        }
        else {
           cout << ( N%2 == 0 ? "SUCCESS" : "FAILURE" ) << endl; 
        }        
    }
    
    return 0;
}