#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][q];
    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++){
            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");
    }
}