Task: Program Execution
Input (English): 7, 12, ['2791', 'U', '4715', '9845', '8399', '2231', 's', 'd', '3701', 'J', 's', '1629', 'U', 'c', '7559', 'V', '9397']
Output (English): s, d, 3701, J, s, 1629