[백준] 2738번

import java.util.Scanner;

public class Main {
   public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      int N = sc.nextInt();
      int M = sc.nextInt();

      int[][] arrA = new int[N][M];
      int[][] arrB = new int[N][M];
      int[][] ans = new int[N][M];

      for (int i = 0; i < N; i++) {  // 행렬 A 원소 채우기
         for (int j = 0; j < M; j++) {
            arrA[i][j] = sc.nextInt();
         }
      }
      for (int i = 0; i < N; i++) {  // 행렬 B 원소 채우기
         for (int j = 0; j < M; j++) {
            arrB[i][j] = sc.nextInt();
         }
      }
      for (int i = 0; i < N; i++) {
         for (int j = 0; j < M; j++) {
            ans[i][j] = arrA[i][j] + arrB[i][j];
            System.out.println(ans[i][j]);
         }
      }
   }
}