Task: Program Execution
Input (English): 10, ['5007', '8731', '8607', 'E', '9197', '7615', '813', '3193', 'y', 'r', 'Z', '9215', 'r', '7589', '779', 'J', '1849', '4975', '8323', '1631', 'k', '3379', '9987', 'X', 'a', 'I', 'o', 'M', '6007', 'N', '7923', 'J', 'p']
Output (English): 5007, Z, k, 7923