Task: Program Execution
Input (English): 5, 12, ['4943', 'q', '3657', '8041', '5021', 'k', 'O', '9143', 'B', 'c', '5041', 'I', '1081', 'N', '7875', 'J', 'P', 'u', '1581']
Output (English): I5041cB9143Ok5021