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

/**************************************************************
	Problem: 1070
	User: admin
	Language: Python
	Result: Accepted
	Time:100 ms
	Memory:34480 kb
****************************************************************/