002.c


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int main()
{
	int previous = 1, next = 2;
	int sum = 0, tmp = 0;

	while(next <= 4000000)
	{
		if(!(next & 1))
			sum += next;

		tmp = next;
		next += previous;
		previous = tmp;
	}

	printf("%ld\n", sum);

	return 0;
}