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