# equisum5-q16
# Sections 1-5, Q.16, p.13 and p.247
# timeit.bat equisum6.py == 70.2 usec

import time

def p(s):
  if s == 0:
    return 1
  elif s <= 9:
    return p(s-1) + s + 1
  else:
    return 100 - p(s-10) - p(17-s)

start = time.time_ns()
count = 0
for i in range(14):
  count += (p(i)*p(i))
count *= 2
print(count, "in", time.time_ns()-start, "nanosecs")