#include<bits/stdc++.h>
using namespace std;
int n,m,x,y;
int dx[8]={-1,-1,0,1,1,1,0,-1};
int dy[8]={0,1,1,1,0,-1,-1,-1};
char boom[105][105];
void f(int x,int y){
    boom[x][y]='2';
    for(int i=0;i<8;i++){
        int nx=dx[i]+x,ny=dy[i]+y;
        if(nx>=1&&nx<=n&&ny>=1&&ny<=m){
            if(boom[nx][ny]=='1') f(nx,ny);
            else if(boom[nx][ny]=='0') boom[nx][ny]='2';
        }
    }
}
int main() {
    cin>>n>>m;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>boom[i][j];
        }
    }
    cin>>x>>y;
    if(boom[x][y]=='1') f(x,y);
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cout<<boom[i][j];
        }
        cout<<endl;
    }
    return 0;
}