Project Euler Question 2 Fibonacci Numbers in Turkish

Project Euler Question 2 Fibonacci Numbers in Turkish

Project Euler Question 2 Fibonacci Numbers in Turkish

In the Fibonacci sequence, each number is the sum of the two preceding ones. The first 10 numbers of the series starting with 1 and 2:
1, 2, 3, 5, 8, 13, 21, 34, 55, 89, …
Find the sum of all the even numbers in this sequence that are less than four million.