N,X = map(int,input().split())
akari = {}
for i in range(N):
    a,b = map(int,input().split())
    if a-1 in akari:
        akari[a-1] = max(akari[a-1],b)
    else:
        akari[a-1] = b
ans = [0]*X
now = 0
for i in range(X):
    if i in akari:
        now = max(now,akari[i])
    ans[i] = now
    now = max(0,now-1)
now = 0
for i in range(X-1,-1,-1):
    if i in akari:
        now = max(now,akari[i])
    ans[i] = max(ans[i],now)
    now = max(0,now-1)
print(*ans)