Task: Program Execution
Input (English): 1, 7, ['257', 'z', 'g', '8827', '6831', 'N', '4957', 'u', '5977', 'm', 'l', '3983', 'g', 'b', '5403', 's', 'I', '1459', 'y', 'b', '6633', '1861', '557', 'm']
Output (English): 257, u, 5403, 1861