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