Task: Program Execution
Input (English): 7, 18, ['6987', '7049', '4837', '3331', '7229', 't', '263', '1151', '6579', '6643', '2189', '3809', 'h', '631', 'X', '6277', 'Y', 'L']
Output (English): 26311516579664321893809h631X6277YL