Task: Program Execution
Input (English): 2, 3, ['5613', 'A', '9221', 'C', '2447', '6851', 'Y', '9971', 'N', 'E', '3359', 'Q', '7689', 'U', '2701', '145', '5811', 'J', '3479']
Output (English): 9221, A