#include <iostream>

using namespace std;

int main()
{
    int a[10][10];
    cout << "n = ? ( n <= 10 )" << endl; int n; cin >> n;
    cout << "m = ? ( n <= 10 )" << endl; int m; cin >> m;

    //Citire
    for (int i =1; i<=n; i++)
    {
        cout << endl;
        for (int j = 1; j<=m; j++)
        {
            cout << "a[" << i << "][" << j << "] = ";
            cin >> a[i][j];
        }
    }

    //Afisare
    for (int i =1; i<=n; i++)
    {
        cout << endl;
        for (int j = 1; j<=m; j++)
        {

            cout << a[i][j] << " ";
        }
    }


    int l1,l2,c1,c2;

    cout << "l1 = "; cin >> l1;
    cout << "l2 = "; cin >> l2;

    for (int j=1; j<=m; j++)
    {
        swap( a[l1][j], a[l2][j]);
    }

    cout << "c1 = "; cin >> c1;
    cout << "c2 = "; cin >> c2;

    for (int j=1; j<=m; j++)
    {
        swap( a[j][c1], a[j][c2]);
    }

    //Afisare
    for (int i =1; i<=n; i++)
    {
        cout << endl;
        for (int j = 1; j<=m; j++)
        {

            cout << a[i][j] << " ";
        }
    }
}