#include<bits/stdc++.h> using namespace std; int n, m, a[150][150], b[150][150]; int main() { cin >> n >> m; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> a[i][j]; } } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> b[i][j]; } } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout<<a[i][j]+b[i][j]<<" "; } cout<<endl; } return 0; }