Task: Program Execution
Input (English): 5, 13, ['13', '7741', '1581', 'q', '6797', '1805', 'p', '1967', '6679', '2383', '9009', '9487', 'r', 'Y', 'k', '8345', '2909']
Output (English): r94879009238366791967p18056797