import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Scanner;
 
public class Main {
	
	static char[] Sb;
	static char[] Sa;
	static int N;
	
	private static void solve() {
		int sbo = 0;
		int sao = 0;
		
		for(int i = 0; i<3; i++){
			if(Sb[i] == 'o'){
				sbo++;
			}
			if(Sa[i] == 'o'){
				sao++;
			}
		}
		
		if(sbo != sao){
			System.out.println("SUCCESS");
			return;
		}
		
		if(N>=2){
			System.out.println("FAILURE");
			return;
		}
		
		ArrayList<char[]> list = new ArrayList<char[]>();
		if(N == 0){
			list.add(Sb);
		}
		
		if(N == 1){
			list.add(new char[]{Sb[1], Sb[0], Sb[2]});
			list.add(new char[]{Sb[0], Sb[2], Sb[1]});
		}
		
		Iterator<char[]> ite = list.iterator();
		while(ite.hasNext()){
			char[] c = ite.next();
			if(c[0] == Sa[0] && c[1] == Sa[1] && c[2] == Sa[2]){
				System.out.println("FAILURE");
				return;
			}
		}
		
		System.out.println("SUCCESS");
		return;		
	}
	
	public static void main(String[] args) {
		read();
		
		solve();
	}
	
	public static void read(){
		Scanner scan = new Scanner(new InputStreamReader(System.in));
		
		Sb = scan.next().toCharArray();
		N = scan.nextInt();
		Sa = scan.next().toCharArray();
		
		scan.close();
	}
	
}