Assume the Following Code Fragment Is Executed While Embedded in a Complete,correct

Essay

Assume the following code fragment is executed while embedded in a complete,correct program.
char c1,c2,c3,c4;
cout << "Enter a line of input \n";
cin.get(c1);
cin.get(c2);
cin.get(c3);
cin.get(c4);
cout << c1 << c2 << c3 << c4 << "END OF OUTPUT";
cout << endl;
If the dialog between user and program is as follows,give the rest of the dialog.(Here,<cr> means the user presses the return key. )Explain the results.
Enter a line of input
abc<cr>