#include <iostream>
using namespace std;
int v[5];
int main(){
int i, minim=1e8;
//Citeste matricea unidimensionala
for(i=0;i<5;i++) cin >> v[i];
//Determina minimul
for(i=0;i<5;i++)
if(v[i]<minim) minim = v[i];
//Afiseaza pretul total
cout << "Pret total " << (float)50-minim*0.5 << " lei";
}