1. #include <bits/stdc++.h>
2. using namespace std;
4. int main() {

5. int a, b;
   

6. cin >> a >> b;
   

7. cout << "a=" << a << " " << "b=" << b << endl;
   

8. swap(a, b);
   

9. cout << "a=" << a << " " << "b=" << b;
   

10. return 0;
    

11. }

#include <bits/stdc++.h>

using namespace std;

int main() {

int a, b;

cin >> a >> b;

cout << "a=" << a << " " << "b=" << b << endl;

cout << "a=" << b << " " << "b=" << a << endl;

return 0; }