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