n = int(input());
for i in range(1, n + 1):
    for k in range(1, n -i + 1):
        print(' ',end = '')
    for x in range(1, 2 * i +2):
        print('*', end = '')
    print()


/**************************************************************
	Problem: 1069
	User: admin
	Language: Python
	Result: Accepted
	Time:87 ms
	Memory:34480 kb
****************************************************************/