import java.util.Scanner;

public class Main {
    public static void main(String[] args) {


        Scanner input = new Scanner(System.in);
        Generator Tree = new Generator();

        System.out.println("Lines of tree: ");

        try
        {
            x = input.nextInt();
        }
        catch (InputMismatchException e)
        {
            e.printStackTrace();
        }
        Tree.setRows(x);

        Tree.printTree();
    }
}