n,x= map(int,input().split())
light= [list(map(int,input().split())) for i in range(n)]
ans= [0 for i in range(x)]
for i in range(n):
  for ipp in range(light[i][1]):
    if light[i][0]-1+ipp >= x:
      break
    ans[light[i][0]-1+ipp]= max(light[i][1]-ipp,ans[light[i][0]-1+ipp])
for i in range(n):
  for ipp in range(light[i][1]-1):
    if light[i][0]-ipp-2 < 0:
      break
    ans[light[i][0]-ipp-2]= max(light[i][1]-ipp-1,ans[light[i][0]-ipp-2])
print(*ans)