Task: Program Execution
Input (English): 4, ['c', 'k', 'J', 'B', '7627', 'Z', '7875', '2945', '3455', '4057', '7227', 'R', 'f', 'q', '2141', '7717', 'u', '1507', '5079']
Output (English): c, 7627, 3455, f, u