using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        String let1 = "rat";

        String let2 = "car";

        bool isA = true;

        if(let1.Length == let2.Length)

        {

        for(int i =0; i< let1.Length; i++)

         {

             String let3 =  let1.Substring(i,1);

             if(let2.IndexOf(let3) >= 0)

             {

                isA = true; 

             } else

             {

              isA = false;

                 break;

             }

         }  

        }

        else

        {

           isA = false; 

        }

        if(isA == true)

            Console.WriteLine("True");

        else

            Console.WriteLine("False");

    }

}