using System;

public class Program

{

    public static void Main()

    {

        int students = 156;

      int groupsize = 8;

      Console.WriteLine("The remainder is " + students % groupsize);

      if (students % groupsize == 0)

      {

      Console.WriteLine("That's okay");

      }

      else 

      {

      Console.WriteLine ("Think again");

      }

    }

}