04. Orders

package DPM;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {
        public static void main(String[] args) {
            Scanner scan = new Scanner(System.in);
            Map<String, Double> fmap = new LinkedHashMap<>();
            Map<String, Integer> smap = new LinkedHashMap<>();
            String line = "";
            while (!"buy".equals(line = scan.nextLine())){
                String[] comand = line.split(" ");
                String product = comand[0];
                double price  = Double.parseDouble(comand[1]);
                int amaunt = Integer.parseInt(comand[2]);

                if (!fmap.containsKey(product)){
                    fmap.put(product, amaunt*price);
                    smap.put(product, amaunt);
                }else {

                    smap.put(product, smap.get(product)+amaunt);
                    fmap.put(product, smap.get(product)*price);
                }
            }
           fmap.forEach((key, value) -> System.out.println(String.format("%s -> %.2f", key, value)));

        }
}