#include <bits/stdc++.h>
using namespace std;
const int maxm = 10;
int a[maxm];
int b[maxm];
int m, n;
int main() {
  int sum = 0;
  for (int i = 0; i < 5; i++) {
    scanf("%d", &a[i]);
  }
  for (int i = 0; i < 5; i++) {
    scanf("%d", &b[i]);
  }
  scanf("%d%d", &m, &n);
  for (int i = 0; i < 5; i++) {
    int x, y;
    if (i == 0) {
      x = 150;
      y = 500 - 2 * a[i] - 50 * b[i];
    } else if (i == 1) {
      x = 300;
      y = 1000 - 4 * a[i] - 50 * b[i];
    } else if (i == 2) {
      x = 450;
      y = 1500 - 6 * a[i] - 50 * b[i];
    } else if (i == 3) {
      x = 600;
      y = 2000 - 8 * a[i] - 50 * b[i];
    } else {
      x = 750;
      y = 2500 - 10 * a[i] - 50 * b[i];
    }
    sum += max(x, y);
  }
  sum += (100 * m - 50 * n);
  printf("%d\n", sum);
  return 0;
}
