public class UsesConstants
 {
     public static void main(String[] args)
     {
         final double CM_PER_INCH=2.54;
         double paperWidth=8.5;
         double paperHeight=11;
         double temp;
         temp=paperWidth * CM_PER_INCH + paperHeight * CM_PER_INCH;
         System.out.println("Paper size in centimeter: " +temp);
     }
 }