import java.util.Scanner;

public class TrianglePrinting
{
  public static void main(String[]args)
  {
    int count=0;
    int process=0;
    Scanner in = new Scanner(System.in);
    System.out.print("Please enter how many lines would you like to see in your triangle: ");
    int lineNumber = in.nextInt();
    
    while(process<lineNumber)
    {
      System.out.println("*");
      while(count<process+1)
      {
      System.out.print("*");
      count++;
      }
      count=0;
      System.out.println("");
      process++;
  }
}
}