Task: Program Execution
Input (English): 1, 20, ['6771', 'j', 'x', 'p', 'W', '8723', 'p', 'g', 'V', 'g', '3587', 'X', 'a', 'K', '9545', 'h', 'D', '1271', 'v', 'L', 'y']
Output (English): Lv1271Dh9545KaX3587gVgp8723Wpxj6771