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