Task: Program Execution
Input (English): 5, 6, ['4891', 'u', '3753', '8589', '3217', 'Y', 'y', 'G', 'X', '7699', 'S', 'l', '5541', '8477', 'p', '2905', 'M', '6465', '223', 'a', 'w']
Output (English): 3217, Y