using System;

public class Program

{

    public static void Main()

    {

             string first_string = "Soccer enjoys the most number of fans in almost all regions of the world.";

            string second_string = string.Empty;

            if (first_string.Contains("gio") )

            {

                 second_string = first_string.Remove(first_string.IndexOf("gio"), "gio".Length);

            }

            if (second_string.Contains("gio"))

            {

                second_string = second_string.Remove(second_string.IndexOf("gio"), "gio".Length);

            }

            Console.WriteLine(second_string);

​

    }

}