# import pypyjit;pypyjit.set_param("max_unroll_recursion=-1")
import os
import sys

# from bisect import *
# from collections import *
# from datetime import *
# from decimal import *  # PyPyだと遅い
# from heapq import *
# from itertools import *
# from math import gcd, lcm
# from random import *
# from string import *

# import numpy as np
# from atcoder.dsu import *
# from atcoder.segtree import *
# from more_itertools import *
# from sortedcontainers import *

# sys.setrecursionlimit(10**7)  # PyPyは呪文を付ける
# sys.set_int_max_str_digits(0)
INF = 1 << 61
MOD = 998244353
# MOD = 10**9 + 7
IS_ATCODER = os.getenv("ATCODER", 0)

File = sys.stdin


def input():
    return File.readline().replace("\n", "")


# ///////////////////////////////////////////////////////////////////////////


N, X = map(int, input().split())
ab = [list(map(int, input().split())) for _ in range(N)]

line = [0] * X

for a, b in ab:
    s = b
    for i in range(a - 1, min(X, a - 1 + b)):
        line[i] = max(line[i], s)
        s -= 1
    s = b
    for i in range(a - 1, max(-1, a - 1 - b), -1):
        line[i] = max(line[i], s)
        s -= 1

print(*line)