t = int(input()) s = [] for i in range(t): a,b,c = input().split() a,b,c = int(a),int(b),int(c) if a == b or a == c or b == c: s.append('perfect') elif a**2 + b**2 == c**2 or a**2 + c**2 == b**2 or c**2 + b**2 == a**2: s.append('good') else: s.append('just a triangle') for i in s: print(i)