using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using System.IO;

namespace DemoString
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("First name? ");
            String firstName = Console.ReadLine();

            Console.Write("Last name? ");
            String lastName = Console.ReadLine();

            Console.Write("Age? ");
            int age = int.Parse(Console.ReadLine());

            String message = string.Format("{0}, {1}... you'll be {2} next birthday.",
                                            lastName.ToUpper(), firstName, age + 1);

            Console.WriteLine("Message: {0}\n", message);
        }
    }
}