using System;

class Program

{

    class Student

{   public string name;

private string clas;

protected int id;

public string Clas; 

 { set {this.clas=value; }  

    get {return this.clas; }  

 }

  public int id  

  { set {this.id = value;}      

​

    get { return this.id;}                  }    

    public static void Main()

    {

        Student stud = new Student(); 

    stud.name= "Anton Atanasov";    

    stud.Clas= "11a";       

    stud.id = 16;               

    Console.WriteLine("{0}, {1}, {2}", stud.name, stud.Clas, stud.id);

    }

}