Task: Program Execution
Input (English): 5, 15, ['8239', '6079', 'g', 'U', 'U', '291', 'w', '6621', '5715', 'j', '2513', '8437', '6031', '7239', '7523', 'p', '1349', '9477', 'd', '799']
Output (English): 75237239603184372513j57156621w291U