n=int(input()) list=[] for x in range(n): a,b,c=map(int,input().split()) list.append((a,b,c)) for i in list: if i[0]**2+i[1]**2==i[2]**2 or i[0]**2+i[2]**2==i[1]**2 or i[1]**2+i[2]**2==i[0]**2: print("good") elif i[0]==i[1] or i[1]==i[2] or i[0]==i[2]: print("perfect") else: print("just a triangle")