#include <iostream>
using namespace std;
int main(){
float x,y,z;
int v,o,c,n;
cout << "Introduceti numarul de vaci, oi si capre :";
cin >> v >> o >> c;
cout << "Introduceti cantitatea de lapte produsa de vaci, oi, capre :";
cin >> x >> y >> z;
cout << "Introduceti numarul de zile : ";
cin >> n;
cout << "La ferma se produc " << n*(v*x+o*y+c*z) << " litri de lapte";
}
