using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Reverse(100005));

    }

     public static int Reverse(int x) {

        int result = 0;

        bool neg = false;

        if(x==int.MinValue)

            return 0;

        if(x < 0) 

        {

            x = x * -1;

            neg = true;

        }

        while(x > 0)

        {

            if(result > Int32.MaxValue/10 || (result == Int32.MaxValue/10 && x > Int32.MaxValue%10))

                return 0;

            result = result * 10 + x%10;

            x = x/10;

        }

        if(neg)

            return result * -1;

        return result;

​

    }

}