Passage: In April 2012, AB Entertainment officially announced members Yuji, Dami, and Haeryeong's departure and said in a statement that Yuji and Dami had left the group to focus on their studies, while Haeryeong had left to pursue an acting career. They were replaced by Solji, a former member of vocal duo 2NB, and Hyelin, who was originally considered for EXID's original lineup before she was dropped. With the new members, EXID returned in August 2012 with their second single "I Feel Good" from their first EP Hippity Hop. Hippity Hop debuted at number 13 on the Gaon Albums Chart, selling 1,500 copies. EXID released the digital single "Every Night", in October. The title track is an alternate version of LE's self-written song "Phone Call", which was recorded in their debut EP. "Every Night" debuted at number 43 on the Gaon Singles Chart, selling 105,000 digital copies.

Question: What number did Every Night debut at?
43