Task: Program Execution
Input (English): 2, 16, ['H', 'K', 'q', 'w', 'v', 't', 'w', '9439', '8899', 'y', '1747', 'j', 'O', '25', '9379', 'B', '1521', 'u', '2303']
Output (English): B937925Oj1747y88999439wtvwqK