// CS 2 Lab 0
#include <iostream.h>
void main()
{  // const int height = 8;
   int height;
   cout << "Enter Height = ";
   cin >> height;
   for(int i = 1; i <= height; i++) {
      for(int j = 0; j < height - i ; j++)
         cout << ' ';
      for(int m = 0; m < 2 * i - 1; m++)
         cout << 'X';
      cout << endl;
   }
}