using System;

public class Human

{ public string name; public int age; public string email;

 public Human() { }

 public Human(string name, int age, string email)

 { this.name = name; this.age = age; this.email = email; }

  public void PrintInfo()

  { Console.WriteLine("Name: {0}\nAge: {1}\nEmail: {2}", name, age, email);

  }

}

public class Student : Human

{ public string clas;

  public Student(string name, int age, string email, string clas)

  { this.name = name; this.age = age;

   this.email = email; this.clas = clas;

  }

 }

  class Program

  { static void Main(string[] args)

  { Student newStud = new Student("Антон Атанасов", 17, "tony@abv.bg", "11A");

    newStud.PrintInfo();

  }

  }

 public class Student : Human

 { public string clas; public int id;

  public Student(string name, int age, string email, string clas, int id) : base(name, age, email)

  { this.id = id; this.clas = clas; }

  public void PrintInfo()

  { Console.WriteLine("Name: {0}\nAge: {1}\nEmail: {2}\nID: {3}\nClass: {4}", name, age, email, id );

    }

  }

       class Student

  { static void Main(string[] args)

    { Student newStud = new Student("Антон Атанасов", 17, "tony@abv.bg", "11A", '1');

    newStud.PrintInfo();

​

    }

}