p2.py

#!/usr/bin/env python3
#
# Copyright (c) 2013 Matthew Rheaume
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA


def solve():
	a = 0
	b = 1
	total = 0

	while (b < 4000000):
		x = a + b
		if (x % 2 == 0):
			total += x

		a = b
		b = x
	
	return total

if __name__ == "__main__":
	print(solve())