Task: Program Execution
Input (English): 16, 21, ['Z', '9525', '8929', 'h', '2875', '1147', '2417', 'a', '9225', 'f', 'Q', 't', 'k', '4447', '7863', '323', 'u', '5595', '7949', '5131', 's', '3943', 'z', '9739']
Output (English): 18998