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: ");
        int x;

        while (x == null)
        {
            try
            {
                x = input.nextInt();
            }
            catch (InputMismatchException e)
            {
               System.err.println("Enter a number douchebag:")
            }
        }

        Tree.setRows(x);

        Tree.printTree();
    }
}