Task: Program Execution
Input (English): 9, 10, ['a', 'w', 'v', '711', '9', '39', 'A', 'H', 'Z', '8733', 'w', 't', 'm', 'a', 'c', 'f', '1901', 'g', 'O', '4887']
Output (English): 8733Z