Task: Program Execution
Input (English): 7, 14, ['4891', '1415', '1521', '7209', 'Z', 'O', '1213', '879', '5455', 'V', '997', 'D', 'M', '7', '5969', 'O', 'C', '339', 'B', '3841', 's']
Output (English): 8551