import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Abood2C {
	
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		
		int[] max = {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 = 0;
		
		for (int i = 0; i < 5; i++) {
			s += Math.max(max[i] * 3 / 10, ((250 - m[i]) * max[i] / 250) - 50 * w[i]);
		}
		
		s += sc.nextInt() * 100;
		s -= sc.nextInt() * 50;
		
		out.println(s);
		
		
		out.flush();
		out.close();
	}
	
	static class Scanner 
	{
		StringTokenizer st;
		BufferedReader br;
 
		public Scanner(InputStream s){	br = new BufferedReader(new InputStreamReader(s));}
 
		public String next() throws IOException 
		{
			while (st == null || !st.hasMoreTokens()) 
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}
 
		public int nextInt() throws IOException {return Integer.parseInt(next());}
 
		public long nextLong() throws IOException {return Long.parseLong(next());}
 
		public String nextLine() throws IOException {return br.readLine();}
 
		public double nextDouble() throws IOException
		{
			String x = next();
			StringBuilder sb = new StringBuilder("0");
			double res = 0, f = 1;
			boolean dec = false, neg = false;
			int start = 0;
			if(x.charAt(0) == '-')
			{
				neg = true;
				start++;
			}
			for(int i = start; i < x.length(); i++)
				if(x.charAt(i) == '.')
				{
					res = Long.parseLong(sb.toString());
					sb = new StringBuilder("0");
					dec = true;
				}
				else
				{
					sb.append(x.charAt(i));
					if(dec)
						f *= 10;
				}
			res += Long.parseLong(sb.toString()) / f;
			return res * (neg?-1:1);
		}
 
		public boolean ready() throws IOException {return br.ready();}
 
 
	}

}