Consider the following code (and assume that it is embedded in a complete and correct program and then run): string s1, s2; cout cin >> s1 >> s2; cout If the dialogue begins as follows, what will be...

Consider the following code (and assume that it is embedded in a

complete and correct program and then run):

string s1, s2;

cout <>

cin >> s1 >> s2;

cout <><><>

If the dialogue begins as follows, what will be the next line of output?

Enter a line of input:

A string is a joy forever!