#include <stdio.h>
int main()
{
    float N1, N2, N3, N4, media, exame, mfinal;
    scanf("%f %f %f %f", &N1, &N2, &N3, &N4);

    media = ((N1*2.0) + (N2*3.0) + (N3*4.0) + (N4*1.0))/10.0;



    if(media>=7.0){
        printf("Media: %.1f\n", media);
        printf("Aluno aprovado.\n");
    }else
        if(media<5.0){
            printf("Media: %.1f\n", media);
            printf("Aluno reprovado.\n");
        }else
            if(media>=5.0 && media<=6.9){
                scanf("%f", &exame);
                mfinal = (media+exame)/(2.0);

                if(mfinal>=5.0){
                    printf("Media: %.1f\n", media);
                    printf("Aluno em exame.\n");
                    printf("Nota do exame: %.1f\n", exame);
                    printf("Aluno aprovado.\n");
                    printf("Media final: %.1f\n", mfinal);
                }else{
                    printf("Media: %.1f\n", media);
                    printf("Aluno em exame.\n");
                    printf("Nota do exame: %.1f\n", exame);
                    printf("Aluno reprovado.\n");
                    printf("Media final: %.1f\n", mfinal);
                }
            }

    return 0;
}