Task: Program Execution
Input (English): 13, 18, ['9419', '8743', '4819', 'r', 'w', 'h', 'Q', '7503', 'v', 'x', '2439', '8353', 'T', '7959', 'f', '633', '8241', '1545']
Output (English): 54511428336f9597T