using System;

public class Program

{

    static void studdetail(string fname,string lname,int rollno,int age) {

            Console.WriteLine("Your First Name is {0}",fname);

            Console.WriteLine("Your Last Name is {0}",lname);

            Console.WriteLine("Your Roll No is {0}",rollno);

            Console.WriteLine("Your Age is {0}",age);

        }

    public static void Main()

    {

        Console.WriteLine("Enter Your First Name : ");

        string firstname = Console.ReadLine();

        Console.WriteLine("Enter Your Last Name : ");

        string lastname = Console.ReadLine();

        Console.WriteLine("Enter Your Roll Number : ");

        int rollnum = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter Your Age : ");

        int yrage = Convert.ToInt32(Console.ReadLine());

        studdetail(firstname,lastname,rollnum,yrage);

    }

}