Task: Program Execution
Input (English): 13, ['257', '7153', 'u', 'Z', '1587', 'W', '8129', '1733', '9683', '6219', '9657', 's', '21', 'Y', '157', '1689', 'g', 'K', '153', '9711', '5553', 'o', '2529', '4145', 'O', 'B']
Output (English): Y, 157, 1689, g, K, 153, 9711, 5553, o, 2529, 4145, O, B