using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine ("Please insert Link of onedrive: ");

            string sharingUrl = Console.ReadLine();

            Console.WriteLine (" you enter: {0}" , sharingUrl);

            string base64Value = System.Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(sharingUrl));

            string encodedUrl = "u!" + base64Value.TrimEnd('=').Replace('/','_').Replace('+','-');

            encodedUrl = "https://api.onedrive.com/v1.0/shares/" + encodedUrl + "/root/content" ;

            Console.WriteLine (encodedUrl);

            Console.ReadKey();

    }

}