using System;

public class Program

{

    public static void Main()

    {

        double tipoDoble = 5.1;

        Console.WriteLine(tipoDoble);

        long tipoLong = (long)tipoDoble;

        Console.WriteLine(tipoLong);

        tipoDoble = 5e9d;

        Console.WriteLine(tipoDoble);

        int tipoInt = (int)tipoDoble;

        Console.WriteLine(tipoInt);

    }

}