Task: Program Execution
Input (English): 16, 17, ['s', 'P', 'I', '6513', 'v', 'u', '6051', '6127', '6229', 'j', 'D', '9069', 'd', 'Q', 'f', '7497', 'Y', 'O', '9867', 'O']
Output (English): 7497Y