t = int(input()) d = [] for i in range(t): a,b,c = input().split() a,b,c = int(a),int(b),int(c) if a*a+b*b == c*c: d.append('good') elif a==b or a==c or b==c: d.append('perfect') else: d.append('just a triangle') for i in d: print(i)