using System;

public class Program

{

    public static void Main()

    {

    Person mirka = new Person("Mirka");

    mirka.Pozdrav();

    }

    class Person

    {

        //vlastnosti

        string name;

        string surname;

        int age;

        //konstruktory

        public Person(string _name)

        {

            name = _name;

        }

        //metody

        public void Pozdrav()

        {

            Console.WriteLine("Ahoj, já jsem {0} {1}", name, surname);

        }

    }

}