using System;
using System.Collections;
using System.Collections.Generic;
 
class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		HashSet<String>[] H=new HashSet<String>[4];
		for(int i=0;i<4;i++)H[i]=new HashSet<String>();
		H[0].Add(S);
		char[] tmp=new char[3];
		
		tmp[0]=S[0];tmp[1]=S[2];tmp[2]=S[1];
		H[1].Add(new String(tmp));
		tmp[0]=S[1];tmp[1]=S[0];tmp[2]=S[2];
		H[1].Add(new String(tmp));
		
		tmp[0]=S[1];tmp[1]=S[2];tmp[2]=S[0];
		H[2].Add(new String(tmp));
		tmp[0]=S[2];tmp[1]=S[0];tmp[2]=S[1];
		H[2].Add(new String(tmp));

		tmp[0]=S[2];tmp[1]=S[1];tmp[2]=S[0];
		H[3].Add(new String(tmp));
		
		bool chk=true;
		
		if(H[0].Contains(T) && N>=0 && N%2==0)chk=false;
		if(H[1].Contains(T) && N>=1 && (N-1)%2==0)chk=false;
		if(H[2].Contains(T) && N>=2 && (N-2)%2==0)chk=false;
		if(H[3].Contains(T) && N>=3 && (N-3)%2==0)chk=false;
		
		Console.WriteLine(chk?"SUCCESS":"FAILURE");
		
		
		
	}
	String S,T;
	int N;
	public Sol(){
		S=rs();
		N=ri();
		T=rs();
	}




	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(){return Console.ReadLine().Split(' ');}
	static int[] ria(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>int.Parse(e));}
	static long[] rla(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>long.Parse(e));}
	static double[] rda(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>double.Parse(e));}
}