Having stumbled upon Project Euler sometime ago and solving the first problem, this disco dancer from the Age of Aquarius thought it was time to tackle problem two, which states:
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:
1, 2, 3, 5, 8, 13, 21, 34, 55, 89, …
Find the sum of all the even-valued terms in the sequence which do not exceed four million.
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