t=int(input()) for i in range(t): a,b,c = map(int,input().split()) 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(a==c)or(b==c): print("perfect") else: print("just a triangle")