#include<iostream>
#include<algorithm>
#include<string>
using namespace std;
int main(void){
string s,t;
int N;
cin>>s>>N>>t;
N=1<<min(N,4);
bool flag=false;
for(int i=0;i<N;i++){
string u=s;
for(int j=0;(1<<j)<N;j++)
if((1<<j)&i)swap(u[0],u[1]);
else swap(u[2],u[1]);
if(u==t)flag=true;
}
if(flag)cout<<"FAILURE"<<endl;
else cout<<"SUCCESS"<<endl;
return 0;
}