Task: Program Execution
Input (English): 5, 12, ['3889', 'n', 'b', '4787', '73', '6309', 'Y', 'B', '2405', 'W', 'A', 'v', 'V', '1187', '3059', '4843', 'q', 'Q', '4171', 'W']
Output (English): vAW5042BY903637