class HalfDollars

  {
       public static void main(String [] arguments)
          { int[] denver = {1_900_000,1_700_000,1_700_000 };
            int[] philadelphia ={1_900_000,1_800_000,1_750_000};
            int[] total = new int[denver.length];
            int average = (int)(total[0]+total[1]+total[2])/3;      
            for (int i=0,int j=2009;i<3;i++,j++)
                { total[i]=denver[i]+philadelphia[i];
                  System.out.print(j+"production:");
                  System.out.format("%,d%n",total[i]);
                 }     
        
            System.out.print("Average production:");
            System.out.format("%,d%n",average);
           }
   }