using System;

public class Program

{

    public static void Main()

    {

        var x = (4.1*1)*(100*1);

        int y = (int)x;

        int z = 410;

        int a = Convert.ToInt32(4.1*100); 

        Console.WriteLine(410 % 5);

        Console.WriteLine((4.1 * 100) % 5);

        Console.WriteLine(x);

        Console.WriteLine(x % 5);

        Console.WriteLine(y);

        Console.WriteLine(y % 5);

        Console.WriteLine(z % 5);

        Console.WriteLine(a % 5);

​

    }

}