// editor3
#include<stdio.h>
int main(){
    int m,n,p,q;
    scanf("%d %d", &m,&n);
    int A[m];
    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\n");
         return 1;
     }
     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){
            printf("%d ",C[i][j]);
        }
        printf("\n");
     }
     return 0;
}