probroyavane na hora

using System;

public class Program
{
	public static void Main()
	{
		Person person = new Person();
		Person person1 = new Person();
		Person person2 = new Person();
		Console.WriteLine(Person.numberOfPerson);
		Person person3 = new Person();
		Person person4 = new Person();
		Console.WriteLine(Person.numberOfPerson);
	}
}

class Person
{

	public static int numberOfPerson = 0;
	string firstName;
	string lastName;
	int age;
	double salary;

	public Person(string firstName, string lastName, int age, double salary)
	{
		numberOfPerson = numberOfPerson + 1;
		this.firstName = firstName;
		this.lastName = lastName;
		this.age = age;
		this.salary = salary;
	}
	public Person()
	{
		numberOfPerson = numberOfPerson + 1;
		this.firstName = "Nadya";
		this.lastName = "Misheva";
		this.age = 26;
		this.salary = 1000;
	}

}