import java.util.*;

class Star

{

public static void main(String args[])

{

int i,j,n;

System.out.println("enter no. of stars:");

Scanner sc=new Scanner(System.in);

n=sc.nextInt();

for(i=0;i<n;i++)

{

for(j=0;j<=i;j++)

System.out.print("*");

System.out.println("\n");

}

}

}