#include <iostream>
#include <math.h>
using namespace std;

int main(int argc, char const *argv[])
{


    float a,b,c,d,media, e,media2;

    cin>>a; //vale 2
    cin>>b;
    cin>>c;
    cin>>d;

    a= (a/10)*2.0; //nota1
    b= (b/10)*3.0; //nota2
    c= (c/10)*4.0; //nota3
    d= (d/10)*1.0; //nota4

    media= ((a+b+c+d)*10)/10;

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


    if(media >=7.0){
        cout<<"Aluno aprovado."<<endl;
    }
    else if (media<5.0){
        cout<<"Aluno reprovado."<<endl;
    }
    else if(media >= 5.0 && media<=6.9){
        cout<<"Aluno em exame."<<endl;
        cin>>e;
        printf("Nota do exame: %.1f\n", e);
        media2= (e+media)/2;
        if(media2 >=5.0){
            cout<<"Aluno aprovado."<<endl;
            printf("Media final: %.1f\n",media2);
        }
        else if(media2 <= 4.9){
            cout<<"Aluno reprovado."<<endl;
            printf("Media final: %.1f\n",media2);
        }
    }







    return 0;
}