'''
'''
import time
import MathFunctions
start_time = time.time()
for i in range(1, 10000):
for j in range(10000, 1, -1):
first_pentagon = MathFunctions.pentagonal(i)
second_pentagon = MathFunctions.pentagonal(j)
if (MathFunctions.inverse_pentagonal(abs(first_pentagon-second_pentagon)) and MathFunctions.inverse_pentagonal(first_pentagon+second_pentagon)):
print(abs(first_pentagon-second_pentagon))
print("--- %s seconds ---" % (time.time() - start_time))
