#include <bits/stdc++.h>
using namespace std;
double b[10], a[10], c[10] = {500, 1000, 1500, 2000, 2500};
double Max(double x, double y) { return x > y ? x : y; }
int main() {
  int n, m1, m2, m3, m4, m5, i, j, k;
  while (~scanf("%lf", &a[0])) {
    for (i = 1; i < 5; i++) scanf("%lf", &a[i]);
    for (i = 0; i < 5; i++) scanf("%lf", &b[i]);
    double ans = 0;
    for (i = 0; i < 5; i++) {
      ans +=
          Max(0.3 * c[i], (1 - (a[i] * 1.0 / (250 * 1.0))) * c[i] - 50 * b[i]);
    }
    int x, y;
    scanf("%d %d", &x, &y);
    ans += x * 100;
    ans -= y * 50;
    printf("%.0lf\n", ans);
  }
  return 0;
}
