#include<iostream>
using namespace std;
class Matrix{
	private:
	int h;
	int c;
	public:
	int data[100][100];
    friend istream &operator>>( istream  &input, Matrix& K )
      {
         cout << "Nhap vao hang: ";
         input >> K.h;
         cout << "Nhap vao cot: ";
         input >> K.c;
         for(int i = 0; i < K.h; i ++)
         {
         	for(int j = 0; j < K.c; j ++)
         	{	cout << "Nhap vao phan tu " << i << " " << j << ":";
         		input >> K.data[i][j];
			}
		 }
         return input;
      }
	friend ostream &operator<<( ostream  &input, Matrix k )
      {
      	for(int i = 0; i < k.h; i ++)
      	{
      		for(int j = 0; j < k.c; j ++)
			  {
			  	input << k.data[i][j] << "\t";
				}
				input << "\n";
		}
        return input;
      }
    Matrix operator+(Matrix b)
    {
    	Matrix c1;
    	c1.h = h;
    	c1.c = c;
    	for(int i = 0; i < h; i ++)
    	{
    		for(int j = 0; j < c; j ++)
    		{
    			c1.data[i][j] = data[i][j] + b.data[i][j];
			}
		}
		return c1;
	}
	Matrix operator-(Matrix b)
    {
    	Matrix c1;
    	c1.h = h;
    	c1.c = c;
    	for(int i = 0; i < h; i ++)
    	{
    		for(int j = 0; j < c; j ++)
    		{
    			c1.data[i][j] = data[i][j] - b.data[i][j];
			}
		}
		return c1;
	}
	Matrix operator*(Matrix b)
	{
		Matrix matrantich;
		matrantich.h = h;
		matrantich.c = b.c;
		for(int i=0;i<matrantich.h;i++)
		{
			for(int j=0;j<matrantich.c;j++)
			{
				for(int k=0;k<matrantich.c;k++)
				{
					matrantich.data[i][j]+=data[i][k]*b.data[k][j];
				}
			}
		}
		return matrantich;
	}
};

int main()
{
	Matrix a;
	Matrix b;
	cin >> a;
	cin >> b;
	cout << a * b;
}