using System;

public class Program

{

    class Student

    {

        public string name;

        public int age;

        public Student()

        {

            Console.WriteLine("Enter name");

            name = Console.ReadLine();

            Console.WriteLine("Enter age");

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

        }

        public void print ()

        {

            Console.WriteLine(name);

            Console.WriteLine(age);

        }

        public Student(string n, int m)

        {

            name = n;

            age = m;

        }

        public Student(Student x)

        {

            name = x.name;

            age = x.age;

        }

    }

    public static void Main()

    {

        Student s1 = new Student();

        Student s2 = new Student();

        s1.print();

        s2.print();

        Student s3 = new Student("Someone", 13);

        s3.print();

        Student s4 = new Student(s2);

        s4.print();

    }

}