import java.util.ArrayList;
import java.util.List;
public class Calc {
int peopleCount;
List products = new ArrayList();
public Calc(int count) {
this.peopleCount = count;
}
public void add(Product product) {
products.add(product);
}
public String getAllProductNames() {
StringBuilder res = new StringBuilder();
for(int i = 0; i < products.size(); i++) {
Product product = products.get(i);
if (i > 0) res.append(" ");
res.append(product.name);
}
return res.toString();
}
public double getTotalPrice() {
double res = 0;
for(int i = 0; i < products.size(); i++) {
Product product = products.get(i);
res += product.price;
}
return res;
}
public double getPricePerPerson() {
return getTotalPrice() / peopleCount;
}
}