Здравейте! Не мога да измисля правилното решение.
Задачата е  "Ергенско парти". 









import java.util.Scanner;

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

        int singer = Integer.parseInt(scanner.nextLine());

        String input = scanner.nextLine();
        int sumMoney = 0;
        int moneyFromGroup = 0;





        while (!input.equals("The restaurant is full")) {
            
            if (groupOfPeople >= 5) {

                moneyFromGroup = groupOfPeople * 70;
                sumMoney = sumMoney + moneyFromGroup;


            } else  {

                moneyFromGroup = groupOfPeople * 100;
                sumMoney = sumMoney + moneyFromGroup;
            }


        }



        

        if (singer > sumMoney){
            int left = singer - sumMoney;
            System.out.printf("You have %d guests and %d leva left.", groupOfPeople, left);
        } else {
            int incomeMoney = sumMoney - singer;
            System.out.printf("You have %d guests and %d leva income, but no singer.", groupOfPeople, incomeMoney);
        }




    }
}