using System;

​

public class Program

{

    public static void Main(string[] args)

    {

        int num1 = 0xf0f0;

        int num2 = 0b1111000011110000;

        int num3 = 0b1111_0000_1111_0000;

        int num4 = 68_000;

        Console.WriteLine($"num1={num1}, num2={num2}, num3={num3}, num4={num4}");

    }

}