#include <fstream>
#define nmax 100100
#define value first
#define index second
using namespace std;

pair <int,int> V[nmax];
int N,D,Nr,Answer[nmax];

void solve() {

    int Left,Right;

    sort(V+1,V+N+1);

    for(Left=Right=1;Left<=N;Left++) {

        if(!Answer[V[Left].index])
            Answer[V[Left].index]=++Nr;

        for(;Right<=N && (Answer[V[Right].index] || V[Right].value-V[Left].value < D);Right++);

        if(Right<=N)
            Answer[V[Right].index]=Answer[V[Left].index];

        }

}
void read() {

    ifstream in("partitie.in");

    in>>N>>D;

    for(int i=1;i<=N;i++) {
        in>>V[i].value;
        V[i].index=i;
        }

    in.close();

}
void write() {

    ofstream out("partitie.out");

    out<<Nr<<'\n';
    for(int i=1;i<=N;i++)
        out<<Answer[i]<<'\n';

    out.close();

}
int main() {

    read();
    solve();
    write();

    return 0;

}