Task: Program Execution
Input (English): 5, ['S', 'E', 'M', 'N', 'K', '2151', '5171', 'B', 'z', 'c', 'g', 'K', 'v', 'u', '2107', '9397', 'O', '901', 'v', '3725']
Output (English): S, 2151, g, 9397