ارسال شماره 174
n = int(input())
for i in range(1,n+1) :
if i == 1 or i == n :
print("*" * n)
else :
print("*" + " " * (n-2) + "*")
n = int(input())
for i in range(1,n+1) :
if i == 1 or i == n :
print("*" * n)
else :
print("*" + " " * (n-2) + "*")