import java.util.Scanner;

public class painting_a_wall {
	public static void main(String[] args) {
		Scanner scnr = new Scanner(System.in);

		double height, width;
		final double square_feet_per_gallon = 350;

		System.out.println("Enter wall height (feet):");
		height = scnr.nextDouble();

		System.out.println("Enter wall width (feet):");
		width = scnr.nextDouble();

		System.out.println("Wall area: " + height*width +
							" square feet");

		System.out.println("Paint needed: " +
			(height*width)/square_feet_per_gallon +
				" gallons");

		System.out.println("Cans needed: " +
				(int)Math.ceil((height*width)/square_feet_per_gallon)+
							" can(s)");

		scnr.close();
		}
}