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==0 or a**2+c**2-b**2==0 or c**2+b**2-a**2==0: print("good") elif a == b or b == c or a == c: print("perfect") else: print("just a triangle")