#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
    double a, b, c, d, ave;
    cin >> a >> b >> c >>d;
    ave = a * 0.2 + b * 0.3 + c * 0.4 + d * 0.1;
    printf("Media: %.1lf\n", ave);
    if (ave >= 7.0)
      cout << "Aluno aprovado.";
    else if (ave < 5.0)
      cout << "Aluno reprovado.";
    else 
    {
        cout << "Aluno em exame." << endl;
        double y;
        cin >> y;
        printf("Nota do exame: %.1lf\n", y);
        ave = (ave + y) / 2.0;
        if (ave >= 5.0)
          cout << "Aluno aprovado.\n";
        else
          cout << "Aluno reprovado.\n";
        printf("Media final: %.1lf", ave);
    }
    return 0;
}