Task: Program Execution
Input (English): 9, 10, ['U', '8835', '7207', '3795', 'k', 'n', '7391', 'I', 'i', 'w', 's', 'h', 'h', 'm', 'V', '1737', '3445', '2053', 'H', '7971', '1967', 'r']
Output (English): iw