using System;

public class Program

{

    public static void Main()

    {

        int num1;//Create an int variable

        num1 = 10;//then initialise it with the number 10

        Console.WriteLine(num1);//Display num1 to the user

        int num2 = 20;//Create an initialise a variable on a single line

        Console.WriteLine(num2);//Display num2 to the user

        Console.Write("Please enter your name: ");

        string name = Console.ReadLine();//This will take the input and save it as a string in the variable name

        /*Note that a Console.Readline() will take in everything as a string*/

        Console.Write("Please enter your age: ");

        int age = int.Parse(Console.ReadLine());//The .Parse method will convert a string into a different type, in this case an int

        Console.WriteLine("Hello {0}, you are {1} years old",name,age);

    }

}