Task: Program Execution
Input (English): 17, 20, ['M', '8533', 'k', '9805', '7805', '4715', '9347', 'S', '9449', '1795', 'd', 'Y', '6813', 'g', '4035', 'b', 'Z', 'N', 'Q', '7547', '577', 'y', 'n', 'C', 'u']
Output (English): 7547