02. Harvest

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    int area, liters_of_wine,workers;
    double grapes_per_area,grapes_for_wine,wine,left_wine;

    cin>>area>>grapes_per_area>>liters_of_wine>>workers;

    grapes_for_wine=area*grapes_per_area*0.4;
    wine=grapes_for_wine / 2.5;
    if(wine>=liters_of_wine)
    {
        left_wine=wine-liters_of_wine;
        cout<<"Good harvest this year! Total wine: "<<floor(wine)<<" liters."<<endl;
        cout<<ceil(left_wine)<<" liters left -> "<<ceil(left_wine/workers)<<" liters per person."<<endl;
    }
    else
    {
        cout<<"It will be a tough winter! More "<<floor(liters_of_wine-wine)<<" liters wine needed."<<endl;
    }
    return 0;
}