n, k = map(int,input().split())
r = [0] * n
x = [0] * n
for i in range(n):
	r[i], x[i] = map(int,input().split())

tmp_x = x[::]
tmp_v = [0] * n

for st in range(n):
	tmp_rx = [0] * (n + 1)
	tmp_rv = [0] * (n + 1)

	tmp_x[st] = 0
	tmp_v[st] = 1

	mode = 1
	m_lb = - 10 ** 18
	m_ub = 10 ** 18
	for i in range(n-1,-1,-1):
		tmp_rx[i] = tmp_rx[r[i]] + tmp_x[i]
		tmp_rv[i] = tmp_rv[r[i]] + tmp_v[i]
		tar_x = tmp_rx[i] - tmp_rx[i+1]
		tar_v = tmp_rv[i] - tmp_rv[i+1]
		# 0 <= tar_x + tar_v * M <= K
		if tar_v == 0:
			if not 0 <= tar_x <= k:
				mode = 0
		elif tar_v == 1:
			m_lb = max(m_lb, - tar_x)
			m_ub = min(m_ub, k - tar_x)
		else:
			m_lb = max(m_lb, tar_x - k)
			m_ub = min(m_ub, tar_x)
	
	if not m_lb <= m_ub:
		mode = 0

	if mode:
		print("Yes")
	else:
		print("No")

	tmp_x[st] = x[st]
	tmp_v[st] = 0