#include <iostream>
#include <algorithm>
using namespace std;
int main(){
  string a,b;int n;cin>>a>>n>>b;
  int z = 0;
  for(int i = 0; 3 > i; i++)z+=a[i]=='o';
  for(int i = 0; 3 > i; i++)z-=b[i]=='o';
  if(z){
    cout << "SUCCESS" << endl;
    return 0;
  }else{
    if(n==1){
      reverse(b.begin(),b.end());
      if(a==b && a!="ooo" && a!="xxx"){
        cout << "SUCCESS" << endl;
        return 0;
      }
    }
  }
  cout << "FAILURE" << endl;
}