#include <bits/stdc++.h>

using namespace std;

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()

template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; }

typedef unsigned long long ull;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, pii> P;

const ll INF = 1ll<<29;
const ll MOD = 1000000007;
const double EPS  = 1e-10;

int main() {
	string before, after;
	ll n;
	
	cin >> before >> n >> after;
	
	bool ans = true;
	
	if (count(ALL(before), 'o') == count(ALL(after), 'o')) {
		if (n == 0) ans = before != after;
		else if (n == 1) {
			swap(before[0], before[1]);
			if (before == after) ans = false;
			swap(before[0], before[1]);
			
			swap(before[1], before[2]);
			if (before == after) ans = false;
		}
		else ans = false;
	}
	
	puts(ans ? "SUCCESS" : "FAILURE");
	
	return 0;
}