import java.util.*;
public class Naloga30{
	public static void main(String[]args){
		Scanner sc = new Scanner(System.in);
		int n, a = 1;
		System.out.print("Vnesi n vrstic: ");
		n = sc.nextInt();
		while (n >= a){
			for (int b = 0; b < a; b++){
				System.out.print("*  ");
			}
			System.out.println("");
			a++;
		}
	}
}