Task: Program Execution
Input (English): 16, 20, ['r', '7959', '4057', '1617', '1799', '4945', '9271', '9421', 'U', '8075', '9435', 'n', '2749', 'U', 'S', 'D', '7759', '4109', 'T', '1653']
Output (English): 3561T90149577D