Task: Program Execution
Input (English): 2, 6, ['W', '8725', 'n', 'c', 'N', 'd', 'm', '8577', 'B', '639', '3745', 'm', '9551', 'P', 'I', '6539', 'n', '7983', '7931', '2449', '7003']
Output (English): 8725ncNd