F# program to compare two numbers

Program

open System
Console.Write("Enter the first number:\t")
let a = Int32.Parse(Console.ReadLine())
Console.Write("Enter the second number:\t")
let b = Int32.Parse(Console.ReadLine())
if (a < b) then Console.WriteLine("First number is less than second\t")
if (a > b) then Console.WriteLine("First number is greater than second\t")
if (a = b) then Console.WriteLine("First number is equal to second\t")

Output 1

Enter the first number: 589
Enter the second number:        999
First number is less than second

Output 2

Enter the first number: 999
Enter the second number:        589
First number is greater than second

Output 3

Enter the first number: 589
Enter the second number:        589
First number is equal to second