Full Pyramid - Toph.co - Beginner

"""
   *        row = 1: 3 Ssp 1 st                                 :   0 Msp 1 st
  * *       row = 2: 2 Ssp 1 st 1 sp 1 st                       :   1 Msp 2 st
 * * *      row = 3: 1 Ssp 1 st 1 sp 1 st 1 sp 1 st             :   2 Msp 3 st
* * * *     row = 4: 0 Ssp 1 st 1 sp 1 st 1 sp 1 st 1 sp 1 st   :   3 Msp 4 st

Starting sp = nRows - row
Middle sp = row - 1
st = row
"""
nRows = int(input())

row = 1
while row <= nRows:
    string = ''
    Ssp = 0
    while Ssp < (nRows-row):
        string += ' '
        Ssp += 1

    star = 1
    while star <= row:
        if star == row:
            string += '*'
        else:
            string += '* '
        star += 1
    print(string)
    row += 1