#include <stdlib.h>
#include <iostream.h>

int main (void)
{
  float price;
  float fpa = 0;

 cout<<"Dwste tin timh agoras"<<endl;
 cin>>price;

 if (price > 150)
  {
    fpa=10;
    if (price > 300) {
      fpa=20;
      if (price > 500) fpa=30;
    }
  }

 cout<<"Kathari aksia: "<<price<<endl;
 cout<<"Foros pou analogei"<<fpa<<endl;
 cout<<"Synolikh aksia proiontos "<<price+(price*(fpa/100))<<endl;

return 0;
}