Task: Program Execution
Input (English): 19, 19, ['2421', 'B', 'k', 'Q', 'm', '6093', '1691', '6245', '9429', 'Y', 's', '9067', 'b', '3935', '4381', 'k', '2439', '6429', 'B', '2335']
Output (English): 0