
package BOJ.step07;
import java.util.Scanner;
public class BOJ2738 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int N = sc.nextInt();
int M = sc.nextInt();
int[][] A = new int[N][M];
for (int i = 0; i < N; i++) {
for (int j = 0; j < M; j++) {
A[i][j] = sc.nextInt();
}
}
for (int i = 0; i < N; i++) {
for (int j = 0; j < M; j++) {
A[i][j] += sc.nextInt();
System.out.print(A[i][j]+ " ");
}
System.out.println();
}
}
}