Task: Program Execution
Input (English): 20, 25, ['W', '6191', '8529', '9317', 'c', '2571', 'l', 'n', '985', 'u', 'W', 'b', 'd', '7339', 'B', '3279', 't', '449', 'm', '7359', '8155', '2809', '973', '291', '3627', '713', 'u', '7113']
Output (English): 7263192379908255189537