Task: Program Execution
Input (English): 4, 20, ['5993', 's', '589', 'X', '383', '6337', 'k', '8525', 'j', 'R', 'b', 't', '6121', 'a', '3419', '8639', 'b', 'Y', 'J', 't', 'D', 'w']
Output (English): tJYb86393419a6121tbRj8525k6337383X