Extreme Encoding

Lajuk is a little girl who loves playing with arrays. In her 10th birthday, she got two arrays as presents. Let’s call them **A** and **B**. Both arrays have the same size **n** and contain integers between **0** to **30000**. Lajuk’s hard-drive is almost full of presents and she barely has any space to keep the arrays. She discovered a brilliant function to merge the array into one: ```cpp int