from math import fabs
 
 
def left_windmill(tab):
    for line in range(2 * r):
        for row in range(2 * r):
            if line in range(r): 
                if row in range(line + 1, r):   # górny lewy
                    tab[line][row] = '.'
 
                if row in range(2 * r - line, 2 * r):  # górny lewy
                    tab[line][row] = '.'
 
            if line in range(r + 1, 2 * r):  # dolny prawy
                if row in range(r, line):
                    tab[line][row] = '.'
 
            if row in range(0, 2 * r - line - 1) and line >= r:  # dolny lewy
                tab[line][row] = '.'
 
    return tab
 
 
def right_windmill(tab):
    for line in range(2 * r):
        for row in range(2 * r):
            if line in range(r):
                if row in range(r, 2 * r - 1 - line):  # prawy górny
                    tab[line][row] = '.'
 
                if row in range(0, line):  # górny lewy
                    tab[line][row] = '.'
 
            if line in range(r + 1, 2 * r):
                if row in range(2 * r - line, r):  # lewy dolny
                    tab[line][row] = '.'
 
            if row in range(line + 1, 2 * r) and line >= r:  # prawy dolny
                tab[line][row] = '.'
 
    return tab
 
 
test = 1
 
while test != 0:
    test = int(input())
 
    r = int(fabs(test))
    windmill = [["*"] * r * 2 for i in range(2 * r)]
 
    if test > 0:
        windmill = left_windmill(windmill)
    if test < 0:
        windmill = right_windmill(windmill)
 
    result = []
 
    for i in windmill:
        result.append("".join(i))
 
    for k in result:
        print(k)
    print('')
 
 
 

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3
-4
10
-10
0