Task: Program Execution
Input (English): 15, 27, ['9177', 'a', 'E', 'g', '6621', '1699', '1577', '4761', 'B', 'z', '9653', '2117', '7289', '9757', 'A', 'a', 'E', '2415', 'T', '3269', '7883', '8459', 'Z', '3931', 'r', 'B', 'o', '8269']
Output (English): AaE2415T326978838459Z3931rBo