04. BachelorParty

package com.company;

import java.util.Scanner;

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

        // 1. Read singer price
        int singerPrice = Integer.parseInt(scanner.nextLine());
        // 2. Until the restaurant is full
        String command = scanner.nextLine();
        int sumIncome = 0;
        int sumPeopleCount = 0;
        int couvertPrice = 0;
        while (!command.equals("The restaurant is full")) {
            // 2.1. Read people cnt
            int peopleCount = Integer.parseInt(command);
            sumPeopleCount += peopleCount;
            // 2.2 Calculate income from group
            // 2.2.1 cnt < 5
            if (peopleCount < 5) {
                couvertPrice = 100;
            } else {
                // 2.2.2 cnt >= 5
                couvertPrice = 70;
            }
            int currentGroupIncome = peopleCount * couvertPrice;
            // 2.3 Sum income
            sumIncome = sumIncome + currentGroupIncome; // sum += currentGroupIncome
            command = scanner.nextLine();
        }

        // 3. Check if income is enough
        String output = String.format("You have %d guests ", sumPeopleCount);
        String secondPartOutput = "";
        if (sumIncome >= singerPrice) {
            secondPartOutput = String.format("and %d leva left.", sumIncome - singerPrice);
        } else {
            secondPartOutput = String.format("and %d leva income, but no singer.", sumIncome);
        }

        System.out.println(output + secondPartOutput);
    }
}