n = int(input()) for i in range(n): a,b,c = input().split() a,b,c = int(a),int(b),int(c) if a**2 + b**2 == c**2 or a**2 + c**2 == b**2 \ or c**2 + b**2 == a**2: print("good") elif a==b or b==c or a==c: print("perfect") else: print("just a triangle")