Task: Program Execution
Input (English): 19, 20, ['9779', '9', '1935', '9649', 'w', '7199', 'B', 'U', '6135', 'b', 'D', 'P', 'w', '7091', 'W', '9903', '6607', '7299', 'y', 'V', 'J', '7057', 'b']
Output (English): 0