Task: Program Execution
Input (English): 6, 12, ['l', 'g', '6025', '6763', 'y', 'U', 'g', 'd', '517', '8685', 'V', 'V', 'z', '1965', '8295', 'a', 'f', 'e', '3861', 'c', '4793', 'V', 'W', 'k']
Output (English): Ugd5178685VV