Task: Program Execution
Input (English): 7, 20, ['r', '2857', '8469', '2931', 'z', 'K', '3851', '1837', '5483', 't', 'v', 'D', 'W', 'h', 'f', '4463', 'o', '1317', 'x', '9425', '4231', 'V', '5225', '2363', '5645', '2527']
Output (English): 385118375483tvDWhf4463o1317x9425