#include <iostream>
using namespace std;
class Matrix                                          //Matrix
 {public:
   Matrix();                                          //ĬϹ캯
   friend Matrix operator+(Matrix &,Matrix &);        //+
   void input();                                      //ݺ
   void display();                                    //ݺ
  private:
   int mat[2][3];
 };

Matrix::Matrix()                                      //幹캯
{for(int i=0;i<2;i++)
  for(int j=0;j<3;j++)
   mat[i][j]=0;
}

Matrix operator+(Matrix &a,Matrix &b)                //+
{Matrix c;
 for(int i=0;i<2;i++)
   for(int j=0;j<3;j++)
     {c.mat[i][j]=a.mat[i][j]+b.mat[i][j];}
 return c;
} 
void Matrix::input()                                   //ݺ
{cout<<"input value of matrix:"<<endl;
 for(int i=0;i<2;i++)
  for(int j=0;j<3;j++)
   cin>>mat[i][j];
}

void Matrix::display()                                //ݺ
{for (int i=0;i<2;i++)
  {for(int j=0;j<3;j++)
   {cout<<mat[i][j]<<" ";}
    cout<<endl;}
}

int main()
{Matrix a,b,c;
 a.input();
 b.input();
 cout<<endl<<"Matrix a:"<<endl;
 a.display();
 cout<<endl<<"Matrix b:"<<endl;
 b.display();
 c=a+b;                                         //+ʵ
 cout<<endl<<"Matrix c = Matrix a + Matrix b :"<<endl;
 c.display();
 return 0;
}
