using System;
using System.Diagnostics;

class Program
{
    static void Main(string[] args)
    {
        // Create a stopwatch to measure the execution time
        Stopwatch stopwatch = new Stopwatch();
        stopwatch.Start();


        // TODO: write and call the function you want to measure
        // ...


        // Get the elapsed time in milliseconds
        stopwatch.Stop();
        long elapsedTime = stopwatch.ElapsedMilliseconds;
        Console.WriteLine("The function took {0} milliseconds to execute.", elapsedTime);
    }
}