using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Child ob1 = new Child ();

        ob1.Age = 19;

        ob1.Name = "Andrei";

        ob1.Prenume = "Ion";

        ob1.Date();

    }

    public class Child

    {

        public int Age;

        public string Name;

        public string Prenume;

        public string Studii;

        public void Date ()

        {

            Console.WriteLine("Numele este: {0}, prenumele este: {1}, are varsta de {2} ani",Name, Prenume, Age);

        }

    }

}