text: # 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, ...
  # By considering the terms in the Fibonacci sequence whose values do not exceed four million,
  # find the sum of the even-valued terms.
  
  x = 0
  First = 0
  Second = 1
  Sum = 0
  Next = 0
  
  while Next < 4000000:
      Next = First + Second
      First = Second
      Second = Next
      if Next % 2 == 0:
          Sum = Sum + Next
  print(Sum)
  