C++Primer_strings

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

int main() {
    
    string s1 = "Hello";
    string s2 = "pinky";
    string s3 = s1 + " " + "\n" + s2 +"\n";
    cout << "s3 - " <<s3;
    cout << "S1 - " << s1
    
    return 0;
}