Task: Program Execution
Input (English): 14, 20, ['6455', 'L', '3411', '9005', 'H', '991', 'd', 'q', '3731', '4749', 'G', 'r', '7431', 'R', 'M', 'J', '3787', 'j', '8319', '6441', '693', '5139', 'R', 'D', 'L', '8427']
Output (English): 64418319j3787JMR