Task: Program Execution
Input (English): 7, 21, ['1813', '9023', 'N', '8369', '6853', '8161', '1547', '1227', 'D', '1633', '737', 'K', '7647', 'p', '7279', 'D', 'D', 'I', '5573', 'c', 's', '403']
Output (English): s, c, 5573, I, D, D, 7279, p, 7647, K, 737, 1633, D, 1227, 1547