ac

#include <iostream>
using namespace std;
int a[110][110], b[110][110];
int main(){
int n, m;
cin >> n >> m;
for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++){
cin >> a[i][j];
}
}
for (int j = 1; j <= n; j++){
for (int i = 1; i <= m; i++){
cin >> b[j][i] ;
}
}
for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++){
cout << a[i][j]+b[i][j] << " ";
}
cout<<endl;
}
return 0;
}