from sortedcontainers import SortedList

N,X = map(int,input().split())
G = [[] for i in range(X+1)]
P = SortedList([-10**18])
Q = SortedList([-10**18])
for i in range(N):
  a,b = map(int,input().split())
  G[a].append(b)
  P.add(b-a)

L = []
for x in range(1,X+1):
  res = 0
  b = P[-1]
  res = max(res,x + b)
  b = Q[-1]
  res = max(res,-x + b)
  L.append(res)
  for b in G[x]:
    P.discard(b-x)
    Q.add(b+x)
print(*L)