Task: Program Execution
Input (English): 21, ['N', '6109', 'd', '5029', 'f', '3079', 't', '3125', 'g', 'K', '2105', 't', 'J', 's', '9097', 'V', 'X', '7323', '1297', 'E', '881', 'C', '7289', 'K', 'd', '9319', '1853', '597', '5229', 'l', '9787', '5339', 'R', 'l', 'b', '691', 'k', '4835', '7397', '2697', '9053', 'f', 's', 'X', '8603', '2165', '9629']
Output (English): N, C, s