Task: Program Execution
Input (English): 7, ['B', 'J', '4623', 'A', '3955', '8159', 'o', 'W', '9781', '1445', 'J', 'G', '641', 's', 'u', 'Y', 'u', 'a', 'P', '4431', '6235', 'V', 'v']
Output (English): B, J, 4623, A, 3955, 8159, o