using System.Diagnostics;
using System.Timers;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Timer t = new Timer(10000);
            t.AutoReset = true;
            t.Elapsed += new System.Timers.ElapsedEventHandler(t_Elapsed);
            t.Start();
        }

        private static void t_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            Process[] overwatch = Process.GetProcessesByName("Overwatch");
            Process[] kopanie = Process.GetProcessesByName("Kopanie");
            if (overwatch.Length == 0 && kopanie.Length == 0)
                Process.Start("Kopanie.exe");
            else if (overwatch.Length != 0 && kopanie.Length != 0)
                Process.Kill("Kopanie.exe");
        }
    }
}