Task: Program Execution
Input (English): 9, 20, ['531', 'I', 'p', 'j', 'e', 'u', '423', '715', '7971', '2331', 'n', '3017', 'l', 'L', 'u', '9427', 'o', '1811', '2757', '877', 'f', 'x', 's', 'N', 'W']
Output (English): 87727571811o9427uLl3017n23317971