Task: Program Execution
Input (English): 4, 20, ['6141', '9745', '7899', 'c', '8887', 'e', '5857', '8393', '8489', '1689', '9231', 'j', '5419', 'b', 'D', '6331', '5095', 'r', '4651', 'g', 'x', 'W']
Output (English): c8887e58578393848916899231j5419bD63315095r4651g