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