new

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

namespace ConsoleApp15
{
    class Program
    {
        static void Main(string[] args)
        {
            Person[] person = new Person[5];
            Person person1 = new Person();
            Person person2 = new Person("Ivan", "Petrov", 22, 1600);
            Person person3 = new Person("Icko", "Georgiev", 32, 1300);
            Person person4 = new Person("Nadq", "Misheva", 23, 1700);
            Person person5 = new Person("Plamen", "Petkov", 27, 1300);
            person[0] = person1;
            person[1] = person2;
            person[2] = person3;
            person[3] = person4;
            person[4] = person5;
            CheckSalary(1100, person);
        }
        static void CheckSalary(int salary, Person[] persons)
        {
            foreach (var i in persons)
            {
                if (i.salary > 1200)
                {
                    Console.WriteLine(i.firstname);
                }
            }
        }

    }
    class Person {

        public string firstname;
        string lastname;
        int age;
        public int salary;

        public Person (string firstname, string lastname, int age, int salary)
        {
            this.firstname = firstname;
            this.lastname = lastname;
            this.age = age;
            this.salary = salary;
        }
        public Person()
        {
            this.firstname = "Peter";
            this.lastname = "Petrov";
            this.age = 25;
            this.salary = 1500;
        }
    }

}