#include <bits/stdc++.h>
using namespace std;
int main()
{
    double n1,n2,n3,n4; double y,z;
    scanf("%lf%lf%lf%lf",&n1,&n2,&n3,&n4);
    double x=n1*0.2+n2*0.3+n3*0.4+n4*0.1;
    printf("Media: %.1lf\n",x);
    if(x>=7) printf("Aluno aprovado.\n");
    else if(x<5) printf("Aluno reprovado.\n");
     else
     {
         printf("Aluno em exame.\n");
         double y;
         scanf("%lf",&y);
         printf("Nota do exame: %.1lf\n",y);
         double z=(x+y)/2;
         scanf("%lf",&z);
         if(z>=5) printf("Aluno aprovado.\n");
         else printf("Aluno reprovado.\n");

         printf("Media final: %.1lf",z);
     }

     return 0;

}