p01_RepairingTheTiles40/100

import java.util.Scanner;

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


        int floorSide = Integer.parseInt(console.nextLine());
        double tileWidth = Double.parseDouble(console.nextLine());
        double tileLength = Double.parseDouble(console.nextLine());
        double benchWidth = Double.parseDouble(console.nextLine());
        double benchLength = Double.parseDouble(console.nextLine());

        double plazaArea = floorSide * floorSide;
        double areaForTiles = plazaArea - (benchLength * benchWidth);

        double numberOfTiles = Math.ceil(areaForTiles/(tileLength * tileWidth));

        double timeForPlaza =Math.floor( 0.20 * numberOfTiles);

        System.out.printf("%s\n",(int)numberOfTiles);
        System.out.printf("%s",(int)timeForPlaza);

    }

}