Task: Program Execution
Input (English): 16, 19, ['9441', 'X', 'r', '4435', '5081', '5653', 'C', '2819', 'm', '9937', 'I', '6947', 'D', '3567', 'r', 'f', 'R', '9265', 'k', '4087']
Output (English): f, R, 9265, k