#include<stdio.h>
void multiply_matrices(int m, int n, int p, int q,int mat1[m][n], int mat2[p][q])
{
    if (n != p) {
        printf("Invalid input\n");
        return;
    }
    int result[m][q];
    for (int i = 0; i< m; i++) {
        for (int j = 0;j < q; j++) {
            result[i][j] = 0;
            for (int k = 0; k < n; k++) {
                result[i][j] += mat1[i][k] * mat2[k][j];
            }
        }
    }
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < q; j++) {
            printf("%d ",result[i][j]);
        }
        printf("\n");
    }
}
int main() {
    int m, n, p, q;
    scanf("%d %d", &m, &n);
    int mat1[m][n];
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n;j++){
        scanf("%d",&mat1[i][j]);
    }
    }
    scanf("%d %d", &p, &q);
    int mat2[p][q];
    for (int i = 0;i < p; i++) {
        for (int j = 0; j < q; j++);
        scanf("%d",&mat2[i][j]);
    }
}
multiply_matrices(m, n, p, q, mat1, mat2);
return 0;
}