def order(a,b,c): if b>a: a,b=b,a if c>a: a,c=c,a if c>b: b,c=c,b return a,b,c n=int(input()) for x in range(n): a,b,c=input().split() a,b,c=int(a),int(b),int(c) a,b,c=order(a,b,c) if a**2 == b**2+c**2: print("good") elif a==b or a==c or b==c: print("perfect") else: print("just a triangle")