import java.io.*;

class triangle{
	public static void main(String[] args) {
		try{
			BufferedReader object = new BufferedReader(new InputStreamReader(System.in));
			System.out.println("enter the number");
			int a= Integer.parseInt(object.readLine());
			for (int i=1; i<a;i++ ){
				for (int j=1; j<=i;j++ ){
					System.out.print("*");
				}
				System.out.println("");
			}
		}
		catch(Exception e){}
	}
}