Task: Program Execution
Input (English): 2, 6, ['N', '9287', 'z', 'U', '671', '2621', 'e', '1461', 'Q', 'H', '4875', '8479', '2163', 'S', 'o', '6471', 'Z', 'B']
Output (English): 9287, 1461, S