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