using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Equals:" + ("SAD/logs/2021/19".Equals("SAD/logs/2021/1")? "yes": "no")); // no

        Console.WriteLine("Contains:" + ("SAD/logs/2021/19".Contains("SAD/logs/2021/1")? "yes": "no")); // yes

    }

}