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

#ifdef LOCAL
    #define eprintf(...) fprintf(stderr, __VA_ARGS__)
#else
        #define eprintf(...) 42
#endif

#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define repi(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define all(x) (x).begin(),(x).end()
#define foreach(u,v) for(auto (u) : (v))
#define pb push_back
#define mp make_pair
#define mt make_tuple

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<ll, ll> pll;
typedef vector<ll> vl;

const int inf = 1e9;
const ll linf = 1LL<<60;
const ll mod = 1e9 + 7;
const double eps = 1e-9;

/*
*/

int main()
{
  string s, t;
  int n;
  cin >> s >> n >> t;

  bool ans = false;
  if(n == 0){
    ans = s != t;
  }else if(n == 1){
    if(s == "oox" and t == "xoo") ans = true;  
    if(s == "xoo" and t == "oox") ans = true;  
    if(s == "oxx" and t == "xxo") ans = true;
    if(s == "xxo" and t == "oxx") ans = true;
    if(s == "oxo" and t == "oxo") ans = true;
    if(s == "xox" and t == "xox") ans = true;
  }

  cout << (ans ? "SUCCESS" : "FAILURE") << endl;
  
  return 0;
}