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