import java.util.*;
public class PracticeHalfPyramid{
public static void main(String args[]){
Scanner sc = new Scanner(System.in);
System.out.println("Enter no of lines ");
int n = sc.nextInt();
for(int i = 0; i<n; i++){
for(int j=0;j<=i;j++){
System.out.print("*");
}
System.out.println();
}
}
}