Task: Program Execution
Input (English): 6, 17, ['J', '2747', 'H', 'P', 'a', '5339', '9575', 'T', '3107', '791', '3201', '3759', 'G', 'A', '8193', '8551', '5135', '2865', 'x', '6989', '3115']
Output (English): 513585518193AG375932017913107T95755339