using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    class Teacher

    {

        public string name;

        public string predmet;

        public int age;

        public Teacher(string name, string predmet, int age)//конструктор с параметри

​

    {

        this.name = name;

        this.predmet = predmet;

        this.age = age;

    }

}

    public static void Main()

    {

    Teacher teacher1 = new Teacher("Maria Denisheva", "informatika", 18);

        Console.WriteLine(teacher1.name + " e uchitel po " + teacher1.predmet + "ot " + teacher1.age + " godini "); 

        Console.WriteLine("Prepodawatelq po informatika e:" + teacher1.name);

    Teacher teacher2 = new Teacher("Vanq Ianeva", "IT", 20);

        Console.WriteLine(teacher2.name + "e uchitel po " + teacher2.predmet + "ot " + teacher2.age + " godini ");

        Console.WriteLine("Prepodawatelq po IT e:" + teacher2.name);

    Teacher teacher3= new Teacher("","",0);

        teacher3.name=Console.ReadLine();

        teacher3.predmet=Console.ReadLine();

        teacher3.age=int.Parse(Console.ReadLine());

        Console.WriteLine(teacher3.name + "e uchitel po " + teacher3.predmet + "ot " + teacher3.age + " godini ");

        Console.WriteLine("Prepodawatelq po "+ teacher3.predmet + "e:" + teacher3.name);

    }

}