#include <cstdio>
#include <iostream>
//#include <cmath>
using namespace std;

int main()
{
    double a,b,c,d,mid,z,y;
    cin>>a>>b>>c>>d;
    mid=(a*2+b*3+c*4+d*1)/10;
    printf("Media: %.1lf\n",mid);
    if(mid>=7) cout<<"Aluno aprovado."<<endl;
    else if(mid<5) cout<<"Aluno reprovado."<<endl;
    else
    {
        cout<<"Aluno em exame."<<endl;
        cin>>y;
        printf("Nota do exame: %.1lf\n",y);
        z=(mid+y)/2;
        if(z>=5) cout<<"Aluno aprovado."<<endl;
        else cout<<"Aluno reprovado."<<endl;
        printf("Media final: %.1lf\n",z);
    }
    return 0;
}