Task: Program Execution
Input (English): 6, 9, ['l', 'a', '1789', 'M', '2457', 'o', 'X', 'X', 'Z', 'd', 'U', 'M', '2165', 'u', '81', 'M', '8603', 'b', '4625', 'R', '7883']
Output (English): 0