SELECT DISTINCT T1.Fname ,  T1.LName FROM STUDENT AS T1 JOIN VOTING_RECORD AS T2 ON T1.StuID  =  T2.VICE_President_VOTE WHERE T1.age  =  18
Find the first and last name of all the students of age 18 who have vice president votes.
[Schema (values) (types)]: | voter_2 |  Student : stuid (text) , lname (number) , fname (text) , age (text) , sex (number) , major (text) , advisor (number) , city_code (number) | Voting_record : stuid (text) , registration_date (number) , election_cycle (text) , president_vote (text) , vice_president_vote (number) , secretary_vote (text) , treasurer_vote (number) , class_president_vote (number) , class_senator_vote (text);