Task: Program Execution
Input (English): 18, 20, ['3517', 'E', '5707', 'h', '7727', '5515', 'z', 'V', '5959', '295', '8281', 's', 'W', 'W', '2709', 'I', '2781', '671', 'o', '4453', '8461', '299', '4891', 'h', 'D', '8045']
Output (English): 671, o, 4453