using System;

public class Program

{

    public void Main(string[] args)

    {

        string firstname;

        string surname;

        string fullname;

        Console.Write("Enter your first name :");

        firstname = Console.ReadLine();

        Console.Write("enter your surname :");

        surname = Console.ReadLine();

        fullname = firstname + " " + surname.ToUpper();

        Console.WriteLine("Hello " + fullname);

    }

}