Task: Program Execution
Input (English): 21, 22, ['8331', '4243', 'W', '1235', '4439', 'J', '8867', 'I', '6257', 's', 'M', '3719', 's', 'u', '4321', 'q', 'j', '8283', 'I', 'a', '5913', '143', '4777', 'K', 'P']
Output (English): 5913, 143