using System;

​

public class Person

{

    private string FirstName;

    private string LastName;

    private int age;

    public Person(string FirstName, string LastName, int age)

    {

        this.FirstName = FirstName ;

        this.LastName = LastName ;

        this.age = age ;

    }

    public void Introduction()

    {

        Console.WriteLine("Здравей! Казвам се {0} {1} на {2} години.", FirstName, LastName, age);

    }

}

public class Program

{

    public static void Main()

    {

        Person p = new Person("Марин","Здравков",17);

        p.Introduction();

    }

}