#include <bits/stdc++.h>
using namespace std;
const long long OO = 1e8;
const double EPS = (1e-7);
int dcmp(double x, double y) { return fabs(x - y) <= EPS ? 0 : x < y ? -1 : 1; }
int main() {
  ios::sync_with_stdio(false);
  vector<int> m(5), w(5);
  int score = 0;
  vector<int> top(5);
  top[0] = 500;
  top[1] = 1000;
  top[2] = 1500;
  top[3] = 2000;
  top[4] = 2500;
  for (int i = 0; i < (int)(5); ++i) {
    cin >> m[i];
  }
  for (int i = 0; i < (int)(5); ++i) {
    cin >> w[i];
  }
  int hs, hu;
  cin >> hs >> hu;
  hs = 100 * hs;
  hu = 50 * hu;
  int mm;
  for (int i = 0; i < (int)(5); ++i) {
    mm = 0.3 * top[i];
    score += max(mm, ((250 - m[i]) * ((i + 1) * 2)) - 50 * w[i]);
  }
  score += hs;
  score -= hu;
  cout << score;
  return 0;
}
