Task: Program Execution
Input (English): 9, ['3087', '8313', '2055', '5109', '5111', '8289', 'U', '4289', 'f', '1157', '3253', 'Y', '7751', '7711', '9281', '2667', 'L', 'X', '2453', '7337', '8617', '517', '7021', '893', 'g', 'V', 'g', '523', '1691', 'S', '7587', '7937', 'b', 'F', '803', 'B']
Output (English): 3087, 1157, 2453, 523