#include <fstream>

using namespace std;

int n, i, k, m, j;
char v[129][129];

ifstream fin("vila.in");
ofstream fout("vila.out");

int main(){
    fin>>n>>m;
    for(i=1;i<=n;i++)
        for(j=1;j<=m;j++){
            fin>>v[i][j];
            if(v[i][j]=='1')
                v[i][j]=1;
            else
                v[i][j]=0;
        }
    for(i=1;i<=n;i++){
        for(j=1;j<=m;j++)
            fout<<(int)v[i][j];
        fout<<"\n";
    }
    return 0;
}