Task: Program Execution
Input (English): 12, 13, ['9919', '9635', '1935', 'n', '5495', 'R', 'm', 'e', '2751', '7181', 'E', 'p', 'x', 'v', '1373', 'L', '9799', '9357', '5637', '5839', 'a', '7997', 'z', '2555']
Output (English): xp