Task: Program Execution
Input (English): 15, 20, ['3815', 'K', '2357', '2323', 'v', '3189', '4049', '5917', 'y', 'k', '7987', 'm', 'm', 'N', 'l', 'W', 'z', 'e', 'S', '7357', '5515', '8277', '6519', 'x', 'V', '8703']
Output (English): 7357SezWl