Task: Program Execution
Input (English): 17, 18, ['9811', 'A', 'H', '9621', '3319', 'i', '5867', '509', '837', '81', 'C', '8689', '3047', 'j', '2465', '119', 'o', 'B', '2571', '5893', '6435', 'c', '3965', '8443', '8251']
Output (English): o, B