using System;

using System.Threading.Tasks;

using System.Threading;

​

class Program

{

    static void Main()

    {

        int x = 0;

        do

        {

            Example();

            Console.WriteLine("You typed: {0}", x);

            x++;

            Thread.Sleep(2000);

        } while (x < 10);

    }

​

    static async void Example()

    {

        // This method runs asynchronously.

        int t = await Task.Run(() => Allocate());

        Console.WriteLine("Async Done: {0}", t);

    }

​

    static int Allocate()

    {

        // Compute total count of digits in strings.

​

        int size = 0;

        do

        {

            size++;

            Thread.Sleep(1000);

        }

        while ( size < 10);

        return size;

    }

}