kaufland

import java.util.ArrayList;
import java.util.Scanner;

public class Program {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int wines = 300;
        int beers = 200;
        int wD = 0;
        int wO = 0;
        int bD = 0;
        int bO = 0;
        while (true) {
            String[] input = scan.nextLine().split(": ");
            if (input[0].equalsIgnoreCase("end")) {
                break;
            }
            if (input[0].equals("Beers")) {
                int q = Integer.parseInt(input[1]);
                beers += q;
                if (q > 0) {
                    bD++;
                } else if (q < 0) {
                    bO++;
                }
            }else if (input[0].equals("Wines")) {
                int q = Integer.parseInt(input[1]);
                wines += q;
                if (q > 0) {
                    wD++;
                } else if (q < 0) {
                    wO++;
                }
            }
        }
        System.out.println("Beers: " + beers);
        System.out.println("Beers orders: " + bO);
        System.out.println("Beers deliveries: " + bD);
        System.out.println("Wines: " + wines);
        System.out.println("Wines orders: " + wO);
        System.out.println("Wines deliveries: " + wD);
    }

}

import java.util.ArrayList;
import java.util.Scanner;

public class main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        String[]input = scan.nextLine().split(",");
        double r1 = Double.parseDouble(input[0]);
        double h1 = Double.parseDouble(input[1]);
        double r2 = Double.parseDouble(input[2]);
        double h2 = Double.parseDouble(input[3]);
        double v1 = 3.14159265359* (r1*r1) *h1/1000;
        double v2 = 3.14159265359* (r2*r2) *h2/1000;
        System.out.printf("%.2f",Math.max(v1,v2));
    }
}