Addition between three Matrix

#include <iostream>
using namespace std;
int main()
{
    int row,column;
    int arr1[3][3],arr2[3][3],arr3[3][3];
    cout<<"Enter matix 1 :: "<<endl;

        for(int i=0; i<3; i++){
            for(int j=0; j<3; j++){
                cin>>arr1[i][j];
            }
        }


            cout<<"Enter matix 2 :: "<<endl;
            for(int i=0; i<3; i++){
                for(int j=0; j<3; j++){
                cin>>arr2[i][j];
            }
            }


    cout<<"Enter matix 3 "" "<<endl;
        for(int i=0; i<3; i++){
            for(int j=0; j<3; j++)
            {
                cin>>arr3[i][j];
            }
        }

    cout<<endl<<endl;
    for(int i=0; i<3; i++)
    {
        for(int j=0; j<3; j++){
            cout<<arr1[i][j]+arr2[i][j]+arr3[i][j]<<" ";
        }
        cout<<endl;
    }
    return 0;
}