// editor1
#include<iostream>
using namespace std;
class Quantitycalculation{
    private:
    string name;
    float quan,price; float res=0;
    public :
    vpid quantity (){
        cout<<res;}};
        int main(){
            string name;
            float quan,price;
            cin>>name>>quan>>price;
            quantitycalculation q;
            q.quantity(name,quan,price);
            q.quantity();
            return 0;
}