using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;

namespace yukicoder
{
    public class Program
    {
        public static void Main()
        {
            var b = Console.ReadLine();
            var n = int.Parse(Console.ReadLine());
            var a = Console.ReadLine();
            if(b.Where(x =>x == 'o').Count() != a.Where(x => x == 'o').Count())
            {
                Console.WriteLine("SUCCESS");
            }
            else if (n >= 2)
            {
                Console.WriteLine("FAILURE");
            }
            else if (n == 0)
            {
                if (a == b)
                {
                    Console.WriteLine("FAILURE");
                }
                else
                {
                    Console.WriteLine("SUCCESS");
                }
            }
            else
            {
                var x = "" + b[1] + b[0] + b[2];
                var y = "" + b[0] + b[2] + b[1];
                if (x == a || y == a)
                {
                    Console.WriteLine("FAILURE");
                }
                else
                {
                    Console.WriteLine("SUCCESS");
                }
            }
        }
    }
}