using System;

​

public class Program

{

    public static void Main()

    {

        string valueone = "gamemode 6";

​

        string[] cmdParts = valueone.Split(' ');

        int testValue;

        int pageNumber = (cmdParts.Length > 1 && !string.IsNullOrWhiteSpace(cmdParts[1])) 

            ? (int.TryParse(cmdParts[1], out testValue) ? testValue : 1) 

            : 1;

        Console.WriteLine(pageNumber);

    }

}