good

#include <bits/stdc++.h>
using namespace std;
int n,m,a[1001][1001],b[1001][1001];
int main(){
cin>>n>>m;
for(int i=0;i<=n-1;++i){
for(int j=0;j<=m-1;++j){
cin>>a[i][j];
}
}
for(int i=0;i<=n-1;++i){
for(int j=0;j<=m-1;++j){
cin>>b[i][j];
}
}
for(int i=0;i<=n-1;++i){
for(int j=0;j<=m-1;++j){
cout<<a[i][j]+b[i][j]<<" ";
}
cout<<endl;
}
return 0;
}