Task: Program Execution
Input (English): 8, 9, ['T', '8377', 'k', '9781', 'Q', '1993', 'E', '5597', 'Y', 'p', '5621', '479', '605', '1711', '2211', 'D', '7997', 'r', 'q', '429']
Output (English): Y5597