for k in range (101, 2000):
	a = b = 0
	for i in range (1, 100):
		a += i
	for i in range (101, k+1):
		b += i
	i = 100
	while a != b and i < k and i < 1000:
		a += i
		i += 1
		b -= i
	if a == b and i < 1000:
		print i, k