Task: Program Execution
Input (English): xjberoCsVfbkmaGUlBznXVNbMULfOZiYDVVvJv, vtWIHEoUlBznXVNbMULfOZiYDVXJeqEECbf
Output (English): xjberoCsVfbkmaGbbdfillmnnouuvvxyzzVvJv, vtWIHEobbdfillmnnouuvvxyzzXJeqEECbf