Task: Program Execution
Input (English): 2, 21, ['F', '6899', 'D', '4183', '5481', '4611', '6263', '1771', '3009', '89', 'K', 'q', '2963', 'y', '7893', '5009', '3109', 'u', '1933', '4635', '6643', 'C']
Output (English): 6899D41835481461162631771300989Kq2963y789350093109u193346356643