Task: Program Execution
Input (English): 4, 10, ['5957', 'M', 'u', 'r', '3185', 'r', 'Y', 'm', '1787', '931', '9053', 'N', 'Q', '5609', '4933', '4185', '583', '2847', '263', 'S', 'H']
Output (English): 1397871mYr5813r