using System;
//using System.Collections.Generic;
//using System.Linq;
//using System.Text;
//using System.Threading.Tasks;
 
namespace TestRun
{
    class MainApp
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hellow World.");
            string reply = Console.ReadLine();
            if (reply != ""){
                Console.WriteLine("Got it:" + reply);
            }
            else{
                Console.WriteLine("nothing");
            }
            int num1 = int.Parse(Console.ReadLine());
            int num2 = int.Parse(Console.ReadLine());
            Console.WriteLine(num1+num2);
            Console.WriteLine(mult(num1,num2));
            reply = Console.ReadLine();
        }
 
        public static float mult(float n1, float n2)
        {
            float result = n1 * n2;
            return result;
        }
    }
}