#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    cout << "Enter your first name: ";
    char fname[20];
    cin.getline(fname, 20);
    cout << "Enter your last name: ";
    char lname[20];
    cin.getline(lname, 20);
    char fullname[40];
    strcat(lname, ", ");
    strcpy(fullname, lname);
    strcat(fullname, fname);
    cout << "Here is the information in a single string: " << fullname << endl;

    return 0;
}