#include
using std::cout;
using std::endl;
#include
using std::string;
int main()
{
string s1( "AA" );
string s2( " AAB" );
string s3;
//
cout << "\n\ns1 += \" to you\" yields" << endl;
s1 += " to you";
cout << "s1 = " << s1 << "\n\n";
return 0;
}
s1 += " to you" yields
s1 = AA to you