Task: Program Execution
Input (English): 13, 20, ['6307', 'E', '4551', '3387', 'q', '5365', '5857', '2449', 'j', '729', '7761', '749', '9635', 'd', '3985', '7669', 's', '9801', '2467', '4529', '6759']
Output (English): 452924679801s76693985d9635