Task: Program Execution
Input (English): 8, 12, ['4265', '6385', 'x', 'm', 'r', 'S', 'N', '6557', 'N', 'X', '9981', 'n', '3467', 'f', 'S', 'T', 'j', '1303', '259', '1629']
Output (English): n, 9981, X, N, 6557