Positive and negative Learn programming C#

Lesson:

Flow Control

Exercise:

Positive and negative

Objetive:

Write a C# program to get a number and answer whether it is positive or negative.

Code:

using System;
'Positive and negative
public class exercise15
{
    public static void Main()
    {
        int a;
        Console.Write("Enter a number: ");
        a = Convert.ToInt32(Console.ReadLine());
        if (a > 0)
            Console.WriteLine("is positive");

        if (a < 0)
            Console.WriteLine("is negative");
    }
}