#include<iostream>
#include<cstdio>
using namespace std;
int main(){
    double a,b,c,d,x,y,z;
    cin>>a>>b>>c>>d;
    x=(2*a+3*b+4*c+d)/10;
    cout<<"Media: "<<x<<endl;
    if(x>=7) cout<<"Aluno aprovado.";
    else if(x<=5) cout<<"Aluno reprovado.";
    else{
        cout<<"Aluno em exame."<<endl;
        cin>>y;
        cout<<"Nota do exame: "<<y<<endl;
        z=(x+y)/2;
        if(z>=5) cout<<"Aluno aprovado."<<endl;
        else cout<<"Aluno reprovado."<<endl;
        cout<<"Media final: "<<z<<endl;
    }
    return 0;
}