Untitled

int duzina = Integer.parseInt(sc.nextLine());
        int sirina = Integer.parseInt(sc.nextLine());
        int torta = duzina*sirina;
        int gostuzima=0;

        while (true) {
            String stop = sc.nextLine();
            if (!stop.equals("STOP")) {
                 gostuzima = Integer.parseInt(stop);
                torta = torta - gostuzima;

                if (torta < gostuzima) {
                    int razlika = Math.abs(torta);
                    System.out.printf("No more cake left! You need %d pieces more.", razlika);
                    break;
                }
                if (torta == 0) {
                    int razlika = Math.abs(torta);
                    System.out.printf("No more cake left! You need %d pieces more.", razlika);
                    break;
                }

            } else {
                if (torta > gostuzima) {
                    System.out.printf("%d pieces are left.", torta);
                break;
            }  else {
                int razlika = Math.abs(torta);
                System.out.printf("No more cake left! You need %d pieces more.", razlika);
                break;
        }