#include <iostream>
#include <string>
#include <vector>
using namespace std;
vector<vector<int>> E = {{0}, {1, 2}, {1, 4}, {3, 5}, {2, 4}, {3, 6}, {5, 6}, {7}}; 
int main(){
	string S;
	cin >> S;
	int N;
	cin >> N;
	string T;
	cin >> T;
	if (N >= 2){
		N = N % 2 + 2;
	}
	int s = 0;
	for (int i = 0; i < 3; i++){
		if (S[i] == 'o'){
			s += 1 << i;
		}
	}
	int t = 0;
	for (int i = 0; i < 3; i++){
		if (T[i] == 'o'){
			t += 1 << i;
		}
	}
	bool ok = false;
	if (N == 0){
		if (s == t){
			ok = true;
		}
	}
	if (N == 1){
		for (int u : E[s]){
			if (u == t){
				ok = true;
			}
		}
	}
	if (N == 2){
		for (int u : E[s]){
			for (int v : E[u]){
				if (v == t){
					ok = true;
				}
			}
		}
	}
	if (N == 3){
		for (int u : E[s]){
			for (int v : E[u]){
				for (int w : E[v]){
					if (w == t){
						ok = true;
					}
				}
			}
		}
	}
	if (ok){
		cout << "FAILURE" << endl;
	} else {
		cout << "SUCCESS" << endl;
	}
}