Untitled

#include <iostream>

using namespace std;

int main()
{
    int x,y,z;
    cin>>x>>y>>z;
    int moneyFive=x*5;
    int moneyTen=y*10;
    int total=moneyFive+moneyTen;

    int choclate=total/z;
    cout<<choclate;

    return 0;
}