Task: Program Execution
Input (English): 15, 15, ['e', 'i', 'O', '3901', 'X', '8215', '6267', '4715', 'U', 'a', '8373', '2199', 'o', 'X', '3573', '2177', 'C', '3409', '2411', '5323', '5345']
Output (English): 3573