Task: Program Execution
Input (English): 3, 7, ['4829', 'h', 'S', 'f', '209', 'U', '1275', '4945', 'o', 'w', 'Z', 'D', '4881', 'v', 'l', '4289', '1443', '6081', '8483', 'i', '3747', '9951', '4763', '9415', 'U', 'O']
Output (English): 5721U902fS