import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Iterator;


public class Main_Round334Div2_A {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		Printer pr = new Printer(System.out);

		int[] p = {500, 1000, 1500, 2000, 2500};
		int[] m = new int[5];
		int[] w = new int[5];
		for (int i = 0; i < 5; i++) {
			m[i] = sc.nextInt();
		}
		for (int i = 0; i < 5; i++) {
			w[i] = sc.nextInt();
		}

		int s = sc.nextInt();
		int u = sc.nextInt();

		int score = 0;
		for (int i = 0; i < 5; i++) {
			int tmp = p[i] / 10 * 3;
			int tmp2 = p[i] / 250 * (250 - m[i]) - 50 * w[i];
			score += Math.max(tmp,  tmp2);
		}

		score += 100 * s;
		score -= 50 * u;

		pr.println(score);

		pr.close();
		sc.close();
	}

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;
		Iterator<String> it;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		String next() throws RuntimeException  {
			try {
				if (it == null || !it.hasNext()) {
					it = Arrays.asList(br.readLine().split(" ")).iterator();
				}
				return it.next();
			} catch (IOException e) {
				throw new IllegalStateException();
			}
		}

		int nextInt() throws RuntimeException {
			return Integer.parseInt(next());
		}

		long nextLong() throws RuntimeException {
			return Long.parseLong(next());
		}

		float nextFloat() throws RuntimeException {
			return Float.parseFloat(next());
		}

		double nextDouble() throws RuntimeException {
			return Double.parseDouble(next());
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new IllegalStateException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}
