Task: Program Execution
Input (English): 4, 8, ['q', 'O', 'H', '6297', 'u', '8567', '4421', 'E', '911', 'S', 'P', '6215', '6333', 'H', '1623', 'm', '1779', 'c', '5003', 'Z']
Output (English): 6297, 6215, Z