Task: Program Execution
Input (English): 7, 15, ['5703', 'y', 'f', 'd', 'E', '3675', '3527', '6219', 't', '385', 'd', 'J', 'Y', 'B', '831', '4623', 'E', 'w', '7441', '4717']
Output (English): 35276219t385dJYB831