import com.sun.org.apache.bcel.internal.classfile.SourceFile;

import java.util.Scanner;

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

        int tables = Integer.parseInt(scanner.nextLine());
        Double tablesLenght = Double.parseDouble(scanner.nextLine());
        Double tablesWidth  = Double.parseDouble(scanner.nextLine());

        Double area1 = tables * (tablesLenght + 2 * 0.3) * (tablesWidth + 2 * 0.3);
        Double area2 = tables * (tablesLenght / 2) * (tablesLenght / 2);

        Double result1 = (area1 * 7) + (area2 * 9);
        Double result2 = result1 * 1.85;

        System.out.printf("%.2f%n", result1);
        System.out.printf("%.2f", result2);


    }
}