#include <stdio.h> int main(void) { float p1, p2, p3, T, L1, L2, L3, L4, L5, ML, MF; scanf("%f %f %f", &p1, &p2, &p3); scanf("%f", &T); scanf("%f %f %f %f %f", &L1, &L2, &L3, &L4, &L5); ML = (L1+L2+L3+L4+L5)/10; MF = ((p1+(2*p2)+(3*p3)+(2*T))/8) + ML; printf("%.2f\n", MF); return 0; }