Task: Program Execution
Input (English): 20, 21, ['v', 'M', 'W', 'U', 'L', '6457', '5527', 'z', '749', 'E', 'F', '605', '1977', '959', 'T', 'M', '1519', 'T', '5935', 'Q', '5801', 'E', 't', '5511', '623', '239']
Output (English): 5801, Q