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