using System;

​

public class Program

{

   static ulong ROTL(uint x, uint y) 

   { 

       return (((ulong)x) << (int)(y & (32 - 1))) | (((ulong)x) >> (int)(32 - (y & (32 - 1)))); 

   }

    public static void Main()

    {

        Console.WriteLine(ROTL(4294967295, 31));

    }

}