import os
import sys
from io import BytesIO, IOBase

BUFSIZE = 8192


class FastIO(IOBase):
	newlines = 0
	
	def __init__(self, file):
		self._fd = file.fileno()
		self.buffer = BytesIO()
		self.writable = "x" in file.mode or "r" not in file.mode
		self.write = self.buffer.write if self.writable else None
	
	def read(self):
		while True:
			b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
			if not b:
				break
			ptr = self.buffer.tell()
			self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
		self.newlines = 0
		return self.buffer.read()
	
	def readline(self):
		while self.newlines == 0:
			b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
			self.newlines = b.count(b"\n")+(not b)
			ptr = self.buffer.tell()
			self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
		self.newlines -= 1
		return self.buffer.readline()
	
	def flush(self):
		if self.writable:
			os.write(self._fd, self.buffer.getvalue())
			self.buffer.truncate(0), self.buffer.seek(0)


class IOWrapper(IOBase):
	def __init__(self, file):
		self.buffer = FastIO(file)
		self.flush = self.buffer.flush
		self.writable = self.buffer.writable
		self.write = lambda s:self.buffer.write(s.encode("ascii"))
		self.read = lambda:self.buffer.read().decode("ascii")
		self.readline = lambda:self.buffer.readline().decode("ascii")


sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout)
input = lambda:sys.stdin.readline().rstrip("\r\n")


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
tmp_rx = [0] * (n + 1)
tmp_rv = [0] * (n + 1)

for st in range(n):
	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