Task: Program Execution
Input (English): 4, 6, ['8365', '6099', '3835', '5801', '517', '5335', '5779', 'E', '7563', '7433', '477', '6445', 'K', '3561', 'j', 'r', 'y', 'N', '6739', '8863']
Output (English): 5801, 7433, r