draligamer7Snakify

chess 2

Oct 11th, 2019
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  1. x1 = int(input())
  2. y1 = int(input())
  3. x2 = int(input())
  4. y2 = int(input())
  5. if (x1 + y1 + x2 + y2) % 2 == 0:
  6. print('YES')
  7. else:
  8. print('NO')
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