using System;

​

public class Number

{

    public Number(int num)

    {

        Console.WriteLine("Integer");

    }

​

    public Number(double num)

    {

        Console.WriteLine("Double");

    }

​

    public Number(long num)

    {

        Console.WriteLine("Long");

    }

​

    public static void Main(string[] args)

    {

        Number number = new Number(5f);

    }

}