using System;

public class Program

{

    public static void Main()

    {

        var tmp = 2147483648;  //Int32.MaxValue + 1

        Console.WriteLine(tmp.GetType().Name);  //Display autogenerated type

        tmp = tmp - tmp - 1;  //Make tmp become negative

        Console.WriteLine(tmp);  //Print value : expect tmp = tmp - tmp - 1 = -1

        Console.WriteLine(UInt32.MaxValue);  //Instead of -1 we get UInt32.MaxValue => overflow !!

    }

}