#include<iostream> using namespace std; int main(){ /* int n,a[101][101],max = -1,min = 999; cin >> n; for(int i = 0;i < n;i++){ for(int j = 0;j < n;j++){ cin >> a[i][j]; if(max < a[i][j]) max = a[i][j]; if(min > a[i][j]) min = a[i][j]; } } cout << min << " " << max; */ int n,m,a[1001][1001],b[1001][1001]; cin >> n >> m; for(int i = 1;i <= n;i++){ for(int j = 2;j <= m;j++){ cin >> a[i][j]; } } for(int i = 1;i <= n;i++){ for(int j = 2;j <= m;j++){ cin >> b[i][j]; } } for(int i = 1;i <= n;i++){ for(int j = 2;j <= m;j++){ cout << a[i][j] + b[i][j] << " "; } cout << endl; } return 0; }