#include<stdio.h>
int main() {
    int m, n, p, q;
    scanf("%d %d" , &m, &n);
    int A[m][n];
    for (int i = 0; i < m; i++){
        for (int j = 0; j < n; j++){
            scanf("%d", &A[i][j]);
        }
    }
    scanf("%d %d", &p, &q);
    int B[p][q];
    for (int i = 0; i < p; i++) {
        for (int j = 0; j < q; j++) {
            scanf("%d",&b[i][j]);
        }
    }
    if (n != p){
        printf("Invalid input");
        return 0;
    }
    int c[m][p];
    for (int i = 0; i < m; i++){
        for (int j = 0; j < q; j++){
            c[i][j] = 0;
            for (int k = 0; k < n; k++){
                c[i][j] += A[i][k] * B[k][j];
            }
        }
    }
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < q; j++){
            printf("%d ", c[i][j]);
        }
        printf("\n");
    }
    return 0;
}