Task: Program Execution
Input (English): 5, 5, ['b', 'K', '3877', '481', 'I', 'w', 'O', '4647', 'C', 'j', '971', '5797', 'I', 's', '291', '8223', '8479', 'V', '2281', 'y', 'q', '1163', 'D', 'P']
Output (English): I