Bui Trung
@trung345i
Viet Nam, Ha Noi
Joined Feb 2017
World Rank: #31957 (0.8 points)
Institution: HNUE High School for Gifted Students
Viet Nam, Ha Noi
Joined Feb 2017
World Rank: #31957 (0.8 points)
Institution: HNUE High School for Gifted Students