#include <iostream>
#include <string>

using namespace std;

int main() {
    string name;
    string last_name;
    string first_name;

    int comma;
    int last_start;
    int first_start;

    int last_size;
    int first_size;

    cout << "Enter in a name (last,first): ";
    getline(cin,last_name,',');
    getline(cin,first_name);

    cout << "Hello " << first_name << " " << last_name << endl;

    return 0;
}