num = int( input( " Enter a number: "))
num = num - 1 
start = 1
has = start * "*"
print(has)
for start in range( 1, num ) :
    start = start + 1
    has = start * "*"
    print(has)
count = num + 2
has = num * "*"
while count > 0 :
    count = count - 1
    has = count * "*"
    print(has)