using System;

​

class Program

{

    static void Main()

    {

        Console.WriteLine("Enter your name:");

        string name = Console.ReadLine();

​

        Console.WriteLine("Select Gender:");

        Console.WriteLine("1. Male");

        Console.WriteLine("2. Female");

        Console.Write("Enter your choice (1 or 2): ");

        string choice = Console.ReadLine();

​

        if (choice == "1")

        {

            Console.WriteLine("Hello Mr. " + name);

        }

        else if (choice == "2")

        {

            Console.WriteLine("Hello Ms. " + name);

        }

        else

        {

            Console.WriteLine("Invalid choice!");

        }

    }

}

​