// Ivan Carvalho

// Solution to https://www.beecrowd.com.br/judge/problems/view/1040

#include <iostream>

int main() {

double a, b, c, d;

scanf("%lf %lf %lf %lf", &a, &b, &c, &d);

double media = (2 * a + 3 * b + 4 * c + d) / 10.0;

if (media >= 7)

printf("Media: %.1lf\nAluno aprovado.\n", media);

else if (media < 5)

printf("Media: %.1lf\nAluno reprovado.\n", media);

else {

double e;

scanf("%lf", &e);

printf("Media: %.1lf\nAluno em exame.\nNota do exame: %.1lf\n", media,

e);

double novamedia = (media + e) / 2.0;

if (novamedia >= 5)

printf("Aluno aprovado.\nMedia final: %.1lf\n", novamedia);

else

printf("Aluno reprovado.\nMedia final: %.1lf\n", novamedia);

}

return 0;

}