Task: Program Execution
Input (English): 1, 22, ['7225', '1381', '4489', 'W', 'r', 'T', '4815', 'Y', '7669', 'T', '9951', '6245', '7043', '7869', '7597', '2571', 'Z', 'u', '8429', 'E', '4147', '9721']
Output (English): 97214147E8429uZ257175977869704362459951T7669Y4815TrW448913817225