#include<bits/stdc++.h> using namespace std; int a[100][100],b[100][100]; int main(){ int n,m,x; 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++){ x = a[i][j] + b[i][j]; cout<<x<<" "; } cout<<endl; } return 0; }