#include <iostream>
#include <string>
#include <iomanip>
using namespace std;

int main() {
    // operatorul =
    s1 = "un string";
    cout << s1 << '\n'; // OUTPUT: un string
    s2 = "alt string";
    s1 = s2;
    cout << s1 << '\n'; // OUTPUT: alt string
    return 0;
}