Bot program to count the products bought in the supermarket. with total sum.

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Map<String, Integer> products = new HashMap<String, Integer>();
        System.out.println("Введите список продуктов и их цену в формате <название> <цена>");
        String product = "";
        String price = "";
        String totalPrice = "0";
        Scanner scanner = new Scanner(System.in);
        while (true) {
            String line = scanner.nextLine();
            if (line.equals("стоп")) {
                break;
            }
            String[] parts = line.split(" ");
            if (parts.length != 2) {
                System.out.println("Нев