#include <cstdio>

int main()
{

    float a, b, c, d, X;
    scanf("%f %f %f %f", &a, &b, &c, &d);
    printf("Media: %.1f\n", (2 * a + 3 * b + 4 * c + d) / 10);

    X = (2 * a + 3 * b + 4 * c + d) / 10;

    if (X >= 7.0) printf("Aluno aprovado.\n");
    else if(X < 5.0) printf("Aluno reprovado.\n");
    else if(X >= 5.0 && X < 7.0) 
    {
        printf("Aluno em exame.\n");
        float Y;
        scanf("%f", &Y);
        printf("Nota do exame: %.1f\n", Y);
        float Z = (Y + X) / 2;
        if (Z > 5.0) printf("Aluno aprovado.\n");
        else printf("Aluno reprovado.\n");
        printf("Media final: %.1f\n", Z);
    }
    return 0;
}