Task: Program Execution
Input (English): 2, 21, ['r', '3871', 'B', 'w', '8681', '5377', 'e', '6285', '3819', 'b', '1159', '1795', 'm', 'U', 'e', '8763', 'B', 'v', '6831', 'h', '8401', '7561', 'A', '2065', '3049', '9577']
Output (English): 54982