#include <iostream>
#include <cstdio>

using namespace std;

int main()
{
    double a, b, c,d;
    cin >> a >> b >> c >> d;

    double x = (2 * a + 3 * b + 4 * c + d) / 10.0;
    printf("Media: %.1f\n", x);

    if (x >= 7) cout << "Aluno aprovado." << endl;
    else if (x < 5) cout << "Aluno reprovado." << endl;
    else
    {
        cout << "Aluno em exame." << endl;
        double y;
        cin >> y;
        cout << "Nota do exame: " << y << endl;
        double z = (x + y) / 2;
        if (z >= 5) cout << "Aluno aprovado." << endl;
        else cout << "Aluno reprovado." << endl;
        printf("Media final: %.1f", z);

    }


    return 0;
}