Task: Program Execution
Input (English): 2, 6, ['j', 'E', '4471', '2539', '6883', '9445', '2063', '3977', 'H', '5589', 'Y', '8379', 'S', '7407', 'B', 'D', 'f']
Output (English): E, 4471, 2539, 6883, 9445