Task: Program Execution
Input (English): 11, 14, ['Y', 'O', 'X', '2549', 'L', '2143', 'q', '597', 'L', 'z', '8355', '1969', '9881', 'H', 'H', 'n', '8695', 'A', 's']
Output (English): H, 9881, 1969, 8355