#include <iostream>
#include <fstream>
using namespace std;
int A,B,N,K, v[500001], s[500001], T=0;
ifstream f ("divk.in");
ofstream g ("divk.out");
void cit (int N,int v[500001])
{

    int i;
    for (i=1; i<=N; i++)
        f>>v[i];

}
void sumaa (int N, int K, int v[500001], int s[500001])
{
    int i;
    s[1]=v[1];
    for (i=2; i<=N; i++)
    {
        s[i]=s[i-1]+v[i];
        if (s[i]%K==0)
        {
            s[i+1]=s[i]+v[i+1];
            s[i]=0;
            T++;
            i++;
        }
    }
}
void prgr (int N, int K, int s[500001])
{
    int i,j;
    for (i=N; i>=1; i--)
        for(j=i-1; j>=1; j--)
    {
        if ((s[i]-s[j])%K==0)
        {
            s[j]=0;
            s[i]=0;
            T++;
            i--;
            break;
        }
    }
}

int main()
{   f>>N>>K>>A>>B;
    cit (N,v);
    sumaa(N,K,v,s);
    prgr (N,K,s);
    g<<T;
    int j;
    for (j=1; j<=N; j++)
    {
        cout << s[j] << " ";
    }
    return 0;
}