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

namespace ProgrammingExamples
{
    class Program
    {
        static void Main(string[] args)
        {
            // Declare variables
            string value1;
            int value2;
            double value3;

            // Set values
            value1 = "Hello world";
            value2 = 222;
            value3 = 4.7;

            Console.WriteLine("Print a string " + value1);
            Console.WriteLine("Print a integer number " + value2);
            Console.WriteLine("Print a double number " + value3);

            Console.WriteLine("Print a string {0}, a number {1} and {2}", value1, value2, value3);

            // Pause until key is pressed
            Console.ReadKey();
        }
    }
}