n,x = map(int,input().split())
a = [-1]*n
b = [-1]*n
for i in range(n):
    a[i],b[i] = map(int,input().split())
    a[i]-=1
ans = [0]*x
for i in range(n):
    for j in range(b[i]):
        if i+j<x:
            if ans[i+j]<b[i]-j:
                ans[i+j]=b[i]-j
        if i-j>=0:
            if ans[i-j]<b[i]-j:
                ans[i-j]=b[i]-j
print(*ans)