#include<bits/stdc++.h>
using namespace std;
int n,m,a[250][250],x;
int main(){
cin>>n>>m;
for(int i=1;i<=n;i++){
    for(int j=1;j<=m;j++){
    cin>>a[i][j];
  }
}
for(int i=1;i<=n;i++){
    for(int j=1;j<=m;j++){
        x=a[i][j];
    if(x<10) cout<<x<<endl; 
    if(x>=10&&x<=99&&x%11==0) cout<<x<<endl;
    if(x>=100&&x<=999&&x%10==x/100%10)cout<<x<<endl;
    if(x>=1000&&x<=9999&&x%10==x/1000&&x/100%10==x/10%10)cout<<x<<endl;
  }
}
    return 0;
}
/**************************************************************
	Problem: 1403
	User: chenlingxuan
	Language: C++
	Result: Accepted
	Time:18 ms
	Memory:2320 kb
****************************************************************/