#include <iostream>

#include <cstring>

#include <cstdio>

using namespace std;

long long Mat[][];

long long n, m, r, c;

int main()

{

    cin>>r>>c>>n>>m;

    for(int i = ; i <= r; i++)

        for(int j = ; j <= c; j++)

            Mat[i][j] = ;

    for(int i = n; i <= r; i += n)

        for(int j = m; j <= c; j += m)

            Mat[i][j] = -n*m* + ;

    long long sum = ;

    for(int i = ; i <= r; i++)

        for(int j = ; j <= c; j++)

            sum += Mat[i][j];

    if(sum < ) { cout<<"No"<<endl; }

    else {

        cout<<"Yes"<<endl;

        for(int i = ; i <= r; i++){

            for(int j = ; j <= c; j++)

                cout<<Mat[i][j]<<" ";

            cout<<endl;

        }

    }

}