n = input() n = int(n) for i in range(n): a,b,c = input().split() a = int(a) b = int(b) c = int(c) if a**2 +b**2 == c**2 or a**2+c**2 == b**2 or b**2+c**2 == a**2: print('good') elif a==b or a==c or b==c: print('perfect') else: print('just a triangle')