Task: Program Execution
Input (English): 6, 10, ['w', '999', 'U', '6875', '4031', '1147', '2695', 'X', '3127', 'V', 'S', 'R', 'E', 'Q', '6731', 'r', '1641', '7121', '455']
Output (English): 11472695X3127V