F# program to Add 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())
let sum = a + b
Console.WriteLine("Sum of two numbers is:\t{0}" ,sum)

Output

Enter the first number: 23
Enter the second number:        32
Sum of two numbers is:  55