Task: Program Execution
Input (English): 8, 9, ['B', '5093', '6211', '8365', '3147', '7749', 'g', 'Y', 'Z', '4155', '5891', 'E', '8683', '4087', '6047', '7797', '9587', '8003', 'V', 'f', 's', 'A', '8085', '2749']
Output (English): ZY