public class Govnokod {

    final static String DELIMITER = "-";
    final static int LINES_NUM = 6;

    protected static int getCurrentNumber(int lineNumber, int posInLine) {
        int currentNumber;
        if (lineNumber % 2 == 0) {
            currentNumber = posInLine + 1;
        } else {
            currentNumber = (lineNumber - posInLine) + 1;
        }
        return currentNumber;
    }

    public static void main(String[] args) {

        for (int lineNumber = 0; lineNumber < LINES_NUM; lineNumber ++) {
            for (int posInLine = 0; posInLine < lineNumber + 1; posInLine ++) {
                if (posInLine != 0) {
                    System.out.print(DELIMITER);
                }
                int currentNumber = getCurrentNumber(lineNumber, posInLine);
                System.out.print(currentNumber);
            }
            System.out.println();
        }
    }

}