class Wednsday
{
	public static void main(String[] arg)
	{
	   System.out.println("It's Wednsday morning and I'm in Lyceum.");	
	   Subjects[] s= new Subjects[4];
	   s[0] = new Lithuanian;
	   s[1] = new Lithuanian;
	   s[2] = new Computer_Science;
	   s[3] = new Computer_Science;
	   for (r= 0; r<= 3; r++)
	   {
	   	  if ((r==0)|| (r==1)) s[r] = new Lithuanian();
	   	  else s[r]= new Computer_Science();
	      
	      s[r].Welcome();
	      s[r].Mark();	
	   } 
	}
}