def print_quader(a, b, c):
  a = round(2.5 * a) # Korrekturfaktor abhängig vom verwendeten Font
  h1 = 'o'  + (a - 1) * '-' + 'o'
  h2 = '\\' + (a - 1) * ' ' + '\\'
  h3 = '/'  + (a - 1) * ' ' + '/'

  for i in range(b + c + 1):
    if i == 0:
      z = ''
      h = h1
      s1 = b + 2
      s2 = -1
      d1 = -1
      d2 = 2
    elif i == 1:
      z = '/'
      h = h2

    if i == b:
      z = 'o'
      d1 = 1
      d2 -= 2
    elif i == b + 1:
      z = '\\'

    if i == c:
      h = h1
      d2 -= 2
    elif i == c + 1:
      h = h3

    if i == b + c:
      z = ''
      h = h1

    print(s1 * ' ' + z + s2 * ' ' + h)

    s1 += d1
    s2 += d2

print()
print_quader(7, 7, 7)
print()
print_quader(4, 3, 6)
print()
print_quader(9, 2, 2)
print()