n= int(input())
for i in range (1, n + 1):
    for k in range (1, n - i + 1):
        print(' ', end='')
    for j in range (1, 2 * i):
        print('*', end = '')
    print();
 
/**************************************************************
	Problem: 1068
	User: admin
	Language: Python
	Result: Accepted
	Time:97 ms
	Memory:34480 kb
****************************************************************/