nbJetons = int(input())

for loop in range(nbJetons):
	jetonX = int(input())
	jetonY = int(input())

	jauneX = (jetonX >= 0 and jetonX <= 90)
	jauneY = (jetonY >= 0 and jetonY <= 70)
	bleuX = (jetonX >= 10 and jetonX <= 85)
	bleuY = (jetonY >= 10 and jetonY <= 55)

	if jauneX and jauneY:
		z = "Zone jaune"
	if bleuX and bleuY:
		z = "Zone bleue"
	print(z)