Task: Program Execution
Input (English): 22, 22, ['7631', '3793', '3051', 'r', '375', 'w', 'B', 'D', 'c', '53', '6995', 'B', '5261', 'z', 'U', '7979', '9071', '7903', '4965', 'c', '6185', 'B', '8669', 'M', 'y', 'E', '5891']
Output (English): B