public class Baum_zeichnen {

	static void baum(int n) {
		String zeile = "";
		for(int i=1; i<=n; i++) {
			zeile = zeile + "*";
			System.out.println(zeile);
		}
	}
	
	public static void main(String[] args) {
		
		baum(5);
	}

}