def main(): i = 4500 while True: if fib_matrix(i) < 10 ** 999: #print "i:", i, fib2(i) #print i i += 1 else: break print i
def main(): end = 4000000 sum_fib = 0 i = 0 while True: fib = fib_matrix(i) if fib < end: #print "i:", i, fib if fib % 2 == 0: sum_fib += fib i += 1 else: break print sum_fib