Task: Program Execution
Input (English): 12, 20, ['9159', '8119', '2103', '8735', 'O', 'P', 'y', 'E', 'k', '8513', '6083', '7899', '8861', 'j', 'Y', '3139', '9731', '2329', '2461', 'l', '2207', '689', '8129']
Output (English): l2461232997313139Yj88617899