#include <iostream>
#include <cstdio>

using namespace std;

int main()
{
    double N1,N2,N3,N4;
    cin >>N1>>N2>>N3>>N4;

    double x = ((N1 * 2) + (N2 * 3) + (N3 * 4) + (N4 * 1))/10;

    printf("Media: %.1f\n",x);

    if (x >= 7.0) printf("Aluno aprovado.\n");
    else if (x <=5.0) printf("Aluno reprovado.\n");
    else if ( x >= 5.0 && x <= 7.0) 
    {
        printf("Aluno em exame.\n");

        double Y ;
        cin >> Y ;
        printf("Nota do exame: %.1lf", Y);

        double Z = (x + Y)/2;

        if (Z >= 5.0) printf("Aluno aprovado.\n");
        else printf("Aluno reprovado.\n");

        printf("Media final: %.1lf\n", Z);
    }

    return 0;
}