Task: Program Execution
Input (English): 21, 21, ['j', '6301', 's', 'a', '263', 's', 'f', 'f', 'O', '5057', '6129', '8003', 'S', 'Z', '1071', '6493', 'm', 'S', '6247', 'm', 'e', 'g', '2313']
Output (English): e