import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Coins5
{  public static void main(String[] args)
   {  try
      {  final double PENNY_VALUE = 0.01;
         final double NICKEL_VALUE = 0.05;
         final double DIME_VALUE = 0.1;
         final double QUARTER_VALUE = 0.25;
         
         InputStreamReader reader 
            = new InputStreamReader(System.in);
         BufferedReader console 
            = new BufferedReader(reader);

         System.out.println("How many pennies do you have?");
         String input = console.readLine();
         int pennies = Integer.parseInt(input);

         System.out.println("How many nickels do you have?");
         input = console.readLine();
         int nickels = Integer.parseInt(input);

         System.out.println("How many dimes do you have?");
         input = console.readLine();
         int dimes = Integer.parseInt(input);

         System.out.println("How many quarters do you have?");
         input = console.readLine();
         int quarters = Integer.parseInt(input);

         double total = pennies * PENNY_VALUE 
            + nickels * NICKEL_VALUE 
            + dimes * DIME_VALUE 
            + quarters * QUARTER_VALUE;
               // total value of the coins
         System.out.println("Total value = " + total);
      }
      catch(IOException e)
      {  System.out.println(e);
         System.exit(1);
      }
   }
}