Task: Program Execution
Input (English): 2, 20, ['p', '1525', 'U', '3981', '4519', 'B', '5531', '1', '1283', 'a', 'W', '6829', 'Y', 'R', '3713', '4395', '6259', '103', 'q', '3675', '5515', 'w', '7987', 'q', '7989', 'm', 'M']
Output (English): 41814