#Replace all ______ with rjust, ljust or center. 

thickness = int(input()) #This must be an odd number
c = 'H'

# Top Cone
for i in range(thickness):
    print((c * i).rjust(thickness - 1) + c + (c * i).ljust(thickness - 1))

# Top Pillars
for i in range(thickness + 1):
    print((c * thickness).center(thickness * 2) + (c * thickness).center(thickness * 6))

# Middle Belt
for i in range((thickness + 1) // 2):
    print((c * thickness * 5).center(thickness * 6))

# Bottom Pillars
for i in range(thickness + 1):
    print((c * thickness).center(thickness * 2) + (c * thickness).center(thickness * 6))

# Bottom Cone
for i in range(thickness):
    print(((c * (thickness - i - 1)).rjust(thickness) + c + (c * (thickness - i - 1)).ljust(thickness)).rjust(
        thickness * 6))

thickness = int(input())
if thickness%2 == 1:
  design = 'H'

  # top cone
  for i in range(thickness):
    print((design*i).rjust(thickness-1)+design+(design*i).ljust(thickness-1))
  
  # top pillar
  for i in range(thickness+1):
    print((design*thickness).center(thickness*2)+(design*thickness).center(thickness*6))
  
  # middle belt
  for i in range((thickness+1)//2):
    print((design*thickness*5).center(thickness*6))
  
  # lower pillar
  for i in range(thickness+1):
    print((design*thickness).center(thickness*2)+(design*thickness).center(thickness*6))
  
  # lower cone
  for i in range(thickness):
    print((((thickness-i-1)*design).rjust(thickness)+design+((thickness-i-1)*design).ljust(thickness)).rjust(thickness*6))

else:
  print('enter odd number')