Task: Program Execution
Input (English): 13, 21, ['7691', '7939', '7433', 'a', 't', '7083', 'c', '2453', '3025', 'O', 'H', 't', 'D', 'G', 'c', '3931', 'e', '7649', 'e', 'S', 'H', '9813', 'j', 'a', 'v', 'n', '29', 'o', 'k', '949']
Output (English): HSe9467e1393cGD