package array;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.StringTokenizer;

public class Bj2738 {

public static void main(String[] args) throws IOException {

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

StringTokenizer st = new StringTokenizer(br.readLine());

int n = Integer.parseInt(st.nextToken());

int m = Integer.parseInt(st.nextToken());

int[][] arr = new int[n][m];

for (int i = 0; i < n; i++) {

st = new StringTokenizer(br.readLine());

for (int j = 0; j < m; j++) {

arr[i][j] = Integer.parseInt(st.nextToken());

}

}

StringBuilder sb = new StringBuilder();

for (int i = 0; i < n; i++) {

st = new StringTokenizer(br.readLine());

for (int j = 0; j < m; j++) {

sb.append(arr[i][j] + Integer.parseInt(st.nextToken()) + " ");

}

sb.append("\n");

}

System.out.println(sb);

}

}