Task: Program Execution
Input (English): 6, 10, ['3433', 'a', 'U', 'R', 'S', 'Q', '989', '561', 'T', '7687', '2929', 'X', '3305', 'y', '6705', '1009', '315', '339', 'K', 'P']
Output (English): Q989561T7687