#include <iostream>
using namespace std;
int main()
{
int a[25][25], b[25][25], c[25][25], i, j, n, m;
cout<<"n="; cin>>n;
cout<<"m="; cin>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++){
cout<<"a["<<i<<"]["<<j<<"]="; cin>>a[i][j];
}
cout<<endl;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++){
cout<<"b["<<i<<"]["<<j<<"]="; cin>>b[i][j];
}
cout<<endl;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
c[i][j]=a[i][j]+b[i][j];
for(i=1;i<=n;i++){
for(j=1;j<=m;j++)
cout<<c[i][j]<<' ';
cout<<endl;
}
return 0;
}
