public static class InnGenerator {

        private long inn12;
        private boolean inn_true;
        private  byte[] spep10 = {2, 4, 10, 3, 5, 9, 4, 6, 8};
        private  byte[] spep12_n2 = {7, 2, 4, 10, 3, 5, 9, 4, 6, 8};
        private  byte[] spep12_n1 = {3, 7, 2, 4, 10, 3, 5, 9, 4, 6, 8};

        public boolean isInn_true() {
            return inn_true;
        }

        public long getInn12() {
            return inn12;
        }

        public boolean bool;

        public InnGenerator(long a) {
            bool = this.Check_inn(a);
        }

        public InnGenerator(int i) {
            if (i == 12) {
                inn_true = false;
                while (inn_true != true) {
                    inn12 = Inn_12_gen();
                    inn_true = Check_inn(inn12);
                }
            }
        }

        private long Inn_12_gen() {
            long gen12 = 100000000000L + (long) (Math.random() * 899999999999L);
            return gen12;
        }

        private boolean Check_inn(long in) {
            String str = String.valueOf(in);

            if (str.length() == 12) {
                int sum_12 = 0;
                int control_number = 0;
                for (int i = 0; i < spep10.length; i++) {
                    sum_12 = sum_12 + (Integer.parseInt(String.valueOf(str.charAt(i))) * spep10[i]);
                }
                if (sum_12 % 11 == 10) control_number = 0;
                else control_number = sum_12 % 11;

                if (control_number == Integer.parseInt(String.valueOf(str.charAt(9)))) return true;
                else return false;
            } else if (str.length() == 12) {
                int sum_12_2 = 0;
                int control_number_n1 = 0;
                int control_number_n2 = 0;

                for (int i = 0; i < spep12_n2.length; i++) {
                    sum_12_2 = sum_12_2 + (Integer.parseInt(String.valueOf(str.charAt(i))) * spep12_n2[i]);
                }

                if (sum_12_2 % 11 == 10) control_number_n2 = 0;
                else control_number_n2 = sum_12_2 % 11;

                int sum_12 = 0;
                for (int j = 0; j < spep12_n1.length; j++) {
                    sum_12 = sum_12 + (Integer.parseInt(String.valueOf(str.charAt(j))) * spep12_n1[j]);
                }
                if (sum_12 % 11 == 10) control_number_n1 = 0;
                else control_number_n1 = sum_12 % 11;

                if ((control_number_n1 == Integer.parseInt(String.valueOf(str.charAt(11))))
                        && (control_number_n2 == Integer.parseInt(String.valueOf(str.charAt(10)))))
                    return true;
                else return false;
            } else return false;
        }
    }
}