Task: Program Execution
Input (English): 5, 20, ['n', '2879', 'h', 'x', '2827', '2711', '5577', 'u', '2589', '2715', 'b', 'M', '4821', 'g', 'x', 'N', '4773', 'U', '4949', 'y', '8769']
Output (English): y4949U4773Nxg4821Mb27152589u557727112827