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

int main(){
    string sb;
    string sa;
    int N;
    cin >> sb >> N >> sa;
    int cnt1=0,cnt2=0,cnt3=0,cnt4=0;
    for(int i=0;i<3;i++){
        if(sb[i]=='o') cnt1++;
        else cnt2++;
    }
    for(int i=0;i<3;i++){
        if(sa[i]=='o') cnt3++;
        else cnt4++;
    }

    if(cnt1!=cnt3||cnt2!=cnt4){
        cout << "SUCCESS" << endl;
    }else{
        if(cnt1==3||cnt2==3){
            cout << "FAILURE" << endl;
        }else if(sb=="oxo"||sb=="xox"){
            if(sa==sb&&N==1){
                cout << "SUCCESS" << endl;
            }else{
                cout << "FAILURE" << endl;
            }
        }else if(sb=="oox"||sb=="xxo"){
            if(N==0&&sb!=sa){
                cout << "SUCCESS" << endl;
            }else if(N==1&&sb[2]==sa[0]){
                cout << "SUCCESS" << endl;
            }else{
                cout << "FAILURE" << endl;
            }
        }else if(sb=="xoo"||sb=="oxx"){
            if(N==0&&sb!=sa){
                cout << "SUCCESS" << endl;
            }else if(N==1&&sb[0]==sa[2]){
                cout << "SUCCESS" << endl;
            }else{
                cout << "FAILURE" << endl;
            }
        }
    }
}