package My;

public class Example3_13 
{
	public static void main(String args[])
	{
		int i=1, j=1;
		do
		{
			j=1;
			do
			{
				System.out.print("#"); 
				j++;
			}
			while(j<=2*i-1);
			System.out.print("\n");
			i++;
		}
		while(i<=10);
	}
}
