#include <stdio.h>
#include <stdlib.h>

void readMatrix(int *mat, int m, int n)
{
    int i, j;
    for (i = 0; i < m; i = i + 1)
        for (j = 0; j < n; j = j + 1)
        scanf("%d", &mat[i * n + j]);
}

void addMatrices(int *a, int *b, int *c, int m, int n)
{
    int i, j, k;
    for (i = 0; i < m; i = i + 1)
    {
        k = i * n;
        for (j = 0; j < n; j = j + 1)
            c[k + j] = a[k + j] + b[k + j];
        }
}

void printMatrix(int *mat, int m, int n)
{
    int i, j, k;
    for (i = 0; i < m; i = i + 1)
    {
        k = i * n;
        for (j = 0; j < n; j = j + 1)
            printf("%3d", mat[k + j]);
        printf("\n");
    }
}

int main(void)
{
    int m, n, *m1, *m2, *m3;
    scanf("%d", &m);
    scanf("%d", &n);
    m1 = (int *)malloc(sizeof(int) * m * n);
    m2 = (int *)malloc(sizeof(int) * m * n);
    m3 = (int *)malloc(sizeof(int) * m * n);
    readMatrix(m1, m, n);
    printMatrix(m1, m, n);
    readMatrix(m2, m, n);
    printMatrix(m2, m, n);
    printf("\n");
    addMatrices(m1, m2, m3, m, n);
    printMatrix(m3, m, n);
    return 0;
}