//***************************************************************
//File: Paint.java
//
//Purpose: Determine how much paint is needed to paint the walls
//of a room given its length, width, and height
//***************************************************************
import java.util.Scanner;

public class Paint
{
    public static void main(String[] args)
    {
        final int COVERAGE = 350;  //paint covers 350 sq ft/gal
        final int DOOR_AREA = 20;
        final int WINDOW_AREA = 15;

        //declare integers length, width, and height;
        int length;
        int width;
        int height;

        int numDoors, numWindows;

        //declare double totalSqFt;
        double totalSqFt;

        //declare double paintNeeded;
        double paintNeeded;

  	  //declare and initialize Scanner object
        Scanner input = new Scanner(System.in);

        //Prompt for and read in the length of the room
        System.out.println("Enter the length of the room: ");
        length = input.nextInt();

        //Prompt for and read in the width of the room
        System.out.println("Enter the width of the room: ");
        width = input.nextInt();

        //Prompt for and read in the height of the room
        System.out.println("Enter the height of the room: ");
        height = input.nextInt();

        System.out.println("How many doors are in the room: ");
        numDoors = input.nextInt();

        System.out.print ("How many windows are in the room: ");
        numWindows = input.nextInt();


        totalSqFt = 2 * width * height + 2 * length * height;
        totalSqFt = totalSqFt - numDoors * DOOR_AREA - numWindows * WINDOW_AREA;
        paintNeeded = totalSqFt / COVERAGE;

        //Compute the total square feet to be painted--think
        //about the dimensions of each wall
        System.out.println();
        System.out.println(paintNeeded + " gallons of paint are needed to " + "paint a room " + width + " feet wide by ");

        //Compute the amount of paint needed
        System.out.println(length + " feet long by " + height + " feet high with " + numDoors + " doors and " + numWindows + " windows.");

        //Print the length, width, and height of the room and the
        //number of gallons of paint needed.
    }
}