Task: Program Execution
Input (English): 18, 20, ['f', '6973', '7571', '5919', 'N', '109', 'w', '8503', '7083', '7627', 'K', 'Y', '1497', 'G', '8585', 'P', 'q', '6239', '223', '8983', '625', 'L', '7203', '525']
Output (English): 6239, 223, 8983