Task: Program Execution
Input (English): 21, 23, ['N', '4339', '6863', '41', 'y', '3467', '6203', 'U', 'q', '9543', '3947', 'X', 'Y', 'k', '4949', 'L', '2321', '5527', 'd', 'J', '4543', '7673', 'm', '9343', 'k', '1685', 'S', 'x', 'c', '67']
Output (English): m37673454