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Java
       
import java.util.Scanner;

public class zad9 {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);

        int kvota=Integer.parseInt(scanner.nextLine());
        String imeRiba=scanner.nextLine();

        int brulov=0;
        double ktk=0;
        double pechalba=0;
        double zaguba=0;
        while (!"Stop".equals(imeRiba)) {
                double kgRiba = Double.parseDouble(scanner.nextLine());
                brulov++;
                zaguba = 0;
                if (brulov%3 == 0) {
                    for (int k = 0; k < imeRiba.length(); k++) {
                        pechalba+=imeRiba.charAt(k);
                    }
                    pechalba/=kgRiba;
                }else {
                    for (int j = 0; j < imeRiba.length(); j++) {
                        zaguba += imeRiba.charAt(j);
                    }
                    zaguba /= kgRiba;
                    ktk += zaguba;
                }
                if (brulov==kvota){
                    System.out.println("Lyubo fulfilled the quota!");
                    break;
                }
                imeRiba = scanner.nextLine();
        }
        if (pechalba>=ktk) {
            System.out.printf("Lyubo's profit from %d fishes is %.2f leva.", brulov, pechalba-ktk);
        }else {
            System.out.printf("Lyubo lost %.2f leva today.",Math.abs(pechalba-ktk));
        }
    }
}

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