using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace drawfigures
{
    class drawtriangle
    {
        static void Main(string[] args)
        {
            int a;

            Console.WriteLine("Please enter the length of the perpendicular side of the isosceles rectangle: ");
            a = Convert.ToInt32(Console.ReadLine());
            DrawTriangle(a);
        }

        static void DrawTriangle(int side)
        {
            int i, j;

            for (i = 1; i <= side; i++)
            {
                for (j = 1; j <= i; j++)    // inner loop prints 1 line of stars
                {
                    Console.Write("*");
                }
                Console.Write("\n");   // end of line is put to the end of each line
            }
        }
    }
}