#include<bits/stdc++.h> using namespace std; int n,m; int a[105][105],b[105][105],c[105][105]; 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++) cin>>b[i][j]; for (int i=1;i<=n;i++) for (int j=1;j<=m;j++) c[i][j]=a[i][j]+b[i][j]; for (int i=1;i<=n;i++) { for (int j=1;j<=m;j++) { cout<<c[i][j]<<" "; } cout<<endl; } return 0; }