#include<algorithm>
#include<complex>
#include<ctype.h>
#include<iomanip>
#include<iostream>
#include<fstream>
#include<map>
#include<math.h>
#include<numeric>
#include<queue>
#include<set>
#include<stack>
#include<stdio.h>
#include<string>
#include<string>
#include<vector>

using namespace std;
typedef long long ll;

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl
#define p_yes() p("Yes")
#define p_no() p("No")

const ll mod = 1e9 + 7;
const ll inf = 1e18;

ll count_o(string s){
    ll count = 0;
    for(char c : s){
        if(c=='o'){
            count++;
        }
    }
    return count;
}

string left_swap(string s){
    string t = s;
    swap(t[0], t[1]);
    return t;
}

string right_swap(string s){
    string t = s;
    swap(t[1], t[2]);
    return t;
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    string s; cin >> s;
    ll N; cin >> N;
    string t; cin >> t;

    if(count_o(s)!=count_o(t)){
        p("SUCCESS");
        return 0;
    }

    if(N==1){
        if(t==left_swap(s) || t==right_swap(s)){
            p("FAILURE");
        }else{
            p("SUCCESS");
        }
        return 0;
    }

    if(N>=2){
        p("FAILURE");
    }
    
    return 0;
}