Task: Program Execution
Input (English): 7, 25, ['1839', '6339', 'Q', '9371', '7865', '3451', '7845', 'X', 'Z', '4023', 'J', '6609', '9723', '3459', '8903', '3651', 'U', '6025', '2347', '5079', 'c', 'O', 'V', 'u', '6467', 'I', 'K']
Output (English): 7845XZ4023J66099723345989033651U602523475079cOVu6467