Task: Program Execution
Input (English): 1, ['W', '9365', '4765', '4777', 'B', 'K', 'C', '5717', 'V', '929', '7009', 'H', '6639', '3935', '6293', '1687', 'C', 'X', '4777', '5069', 'I', '537', '785', 'f', '3771', '6731']
Output (English): W