Task: Program Execution
Input (English): 8, 18, ['i', 'f', '8407', '6813', '863', '63', 'p', '2847', '6977', 'q', '6691', '4265', '1761', 'u', '3097', '9769', '6385', '3991', '9745', '4197']
Output (English): 28476977q669142651761u3097976963853991