Task: Program Execution
Input (English): 6, ['N', 'N', 'U', 's', '9085', 't', 'i', '9731', 'R', 'R', 'r', '8167', '4229', '4945', 'G', '4423', '4769', '4401', '5505', 'p', 'H', '5471', '839', '6761', '7197', 'x', '9489', 'c']
Output (English): N, i, 4229, 5505, 7197