include<fstream>
#include<algorithm>
 
using namespace std;
 
const char iname[]="partitie.in";
const char oname[]="partitie.out";
const int maxn=300005;
 
ifstream f(iname);
ofstream g(oname);
 
int n,d,a[maxn],p[maxn],i,j,rez;
 
bool fcomp(int x,int y)
{
    return a[x]<a[y];
}
 
int main()
{
    f>>n>>d;
    for(i=1;i<=n;++i)
        f>>a[i],p[i]=i;
    sort(p+1,p+n+1,fcomp);
    j=1;
    for(i=1;i<=n;++i)
    {
        for(;j<=n&&a[p[i]]-a[p[j]]>=d;++j);
        rez=max(rez,i-j+1);
    }
    g<<rez<<"\n";
    for(i=1;i<=n;++i)
        a[p[i]]=i%rez+1;
    for(i=1;i<=n;++i)
        g<<a[i]<<"\n";
}