#define _USE_MATH_DEFINES
#include<stdio.h>
#include<string>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include<iomanip>

//#include<bits/stdc++.h>



using namespace std;




int main() {
	
	string a;
	int x=0,y=0;
	cin>>a;
	if(a[0]=='o')x++;
	if(a[1]=='o')x++;
	if(a[2]=='o')x++;
	string b;
	long long int n;
	cin>>n;
	cin>>b;
	for(int i=0;i<3;i++){
		if(b[i]=='o')y++;
	}
	
	if(a==b&&x==y&&n==0){
		cout<<"FAILURE"<<endl;
		
		return 0;
	}
	else if(x==y&&n>=2){
		cout<<"FAILURE"<<endl;
		return 0;
	}
	else if(x==y&&n==1){
		string r=a;
		swap(r[0],r[1]);
		if(b==r){
			cout<<"FAILURE"<<endl;
		
		return 0;
		}
		 r=a;
		swap(r[1],r[2]);
		if(b==r){
			cout<<"FAILURE"<<endl;
		
		return 0;
		}
	}
	 cout<<"SUCCESS"<<endl;


	return 0;
}