#define _USE_MATH_DEFINES
#include <algorithm>
#include <cstdio>
#include <functional>
#include <iostream>
#include <cfloat>
#include <climits>
#include <cstring>
#include <cmath>
#include <fstream>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<ll, int> ll_i;
typedef pair<double, int> d_i;
typedef pair<ll, ll> ll_ll;
typedef pair<double, double> d_d;
struct edge { int u, v; ll w; };

ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;

int main() {
	string s; cin >> s;
	int N; cin >> N;
	string _s; cin >> _s;
	if (N >= 10) N = 10 + N % 2;
	for (int S = 0; S < (1 << N); S++) {
		string t = s;
		for (int i = 0; i < N; i++)
			if ((S >> i) & 1) swap(t[0], t[1]);
			else swap(t[1], t[2]);
		if (t == _s) {
			cout << "FAILURE" << endl;
			return 0;
		}
	}
	cout << "SUCCESS" << endl;
}