t = int(input()) for x in range(t): a,b,c=input().split() a,b,c=int(a),int(b),int(c) d = sorted ( [a,b,c]) if a==b or b==c or a==c: print("perfect") elif d[2]**2==d[1]**2+d[0]**2 : print("good") else: print("just a triangle")