Task: Program Execution
Input (English): 18, 19, ['5115', 'b', 'B', '9739', '4509', 'D', 'P', 'p', '9235', '9517', '7279', '8703', '8535', '5943', '1527', 'N', 'U', '3099', 'c', '5173', 'V', '3539', '8043', 'l']
Output (English): 3099