# x = 5
#   *     01*34   i = 0 / j =  2
#  ***    0***4   i = 1 / j = 123
# *****   *****   i = 2 / j = 01234
#  ***    0***4   i = 3 / j = 123
#   *     01*34   i = 4 / j = 2


def dimond():
    x = abs(int(input()))
    y = x//2

    for i in range(x):
        for j in range(x):
            if  abs(i - y) + abs(j - y) <= y:
                print("*", end = "")
            else:
                print(" ", end = "")
        print()
    return()

dimond()