Task: Program Execution
Input (English): 21, 28, ['w', '9023', '1933', '235', '8861', 'b', 'o', 'O', '9533', '9827', 'o', 'x', 'q', 'S', '711', 'D', 'y', 'Z', '2147', '4655', '6831', 'X', 'S', 'T', '7331', '8669', 't', 'o', '8089']
Output (English): o, t, 8669, 7331, T, S, X, 6831