#include <iostream>
using namespace std;
class Matrix
{
    public:
        int matrix[3][3];
        Matrix(int m[3][3])
        {
            for(int i=0;i<3;i++)
            {
                for(int j=0;j<3;j++)
                {
                   matrix[i][j] = m[i][j] ;
                }
            }
        }
        void show()
        {
            for(int i=0;i<3;i++)
            {
                for(int j=0;j<3;j++)
                {
                    cout << matrix[i][j] << " " ;
                }
                cout << endl ;
            }
        }

        void operator+(Matrix &m)
        {
          for(int i=0;i<3;i++)
            {
                for(int j=0;j<3;j++)
                {
                   cout << matrix[i][j]+m.matrix[i][j] << " " ;
                }
                cout << endl ;
            }
        }

        void operator-(Matrix &m)
        {
          for(int i=0;i<3;i++)
            {
                for(int j=0;j<3;j++)
                {
                   cout << matrix[i][j]-m.matrix[i][j] << " " ;
                }
                cout << endl ;
            }
        }
};
int main(void)
{
    int a[3][3] = {{2,2,2},{2,2,2},{2,2,2}};
    int b[3][3] = {{1,1,1},{1,1,1},{1,1,1}};
    Matrix m1(a), m2(b);
    cout << "m1:" << endl;
    m1.show() ;
    cout << "m2:" << endl;
    m2.show() ;
    cout << "m1+m2:" << endl;
    m1+m2 ;
    cout << "m1-m2:" << endl;
    m1-m2 ;
    return 0;
}