import sys
BLANK = " "
inp = input
# inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
n = ii()
l = ["*x*", " xx", "* *"]
for i in range(3):
for _ in range(n):
for j in range(3):
for __ in range(n):
print(l[i][j], end="")
print()
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()