Task: Program Execution
Input (English): 1, ['6737', '7467', '9141', 'Z', 'B', 'J', 'C', '5919', 'T', 'A', 'V', '8577', 'm', 'r', 'E', 'b', 'D', '8209', '1757', 's', 'c', 'K', 'O']
Output (English): 6737