Input (grade 12): The group released their first self-titled full album in late autumn 2007 with the lead single Girls' Generation, a remake of Lee Seung-cheol's 1989 song.
Output (grade 12): After a short break, the group's first full album was released in late autumn 2007, with the lead single "Girls' Generation", a cover of Lee Seung-Chul's hit song in the 1980s.