package q1xx; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.Arrays; import java.util.InputMismatchException; import java.util.Queue; public class Q125 { static InputStream is; static PrintWriter out; static String INPUT = ""; static void solve() { int a3 = ni(), a2 = ni(), a0 = ni(); int db = ni(); int b3 = ni(), b2 = ni(), b0 = ni(); int dc = ni(); int c3 = ni(), c2 = ni(), c0 = ni(); int[][][] d = new int[11][101][10001]; for(int i = 0;i < 11;i++){ for(int j = 0;j < 101;j++){ Arrays.fill(d[i][j], 999999); } } d[a3][a2][a0] = 0; Queue q = new ArrayDeque(); q.add(new int[]{a3, a2, a0}); int max = 0; while(!q.isEmpty()){ int[] cur = q.poll(); int d3 = cur[0], d2 = cur[1], d0 = cur[2]; for(int i3 = 0;i3*1000 <= db;i3++){ for(int i2 = 0;i3*1000+i2*100 <= db;i2++){ int i0 = db-i3*1000-i2*100; if(d3 >= i3 && d2 >= i2 && d0 >= i0){ int nd3 = d3 - i3 + b3; int nd2 = d2 - i2 + b2; int nd0 = d0 - i0 + b0; if(d[nd3][nd2][nd0] > d[d3][d2][d0] + 1){ d[nd3][nd2][nd0] = d[d3][d2][d0] + 1; max = Math.max(max, d[nd3][nd2][nd0]); q.add(new int[]{nd3, nd2, nd0}); } } } } for(int i3 = 0;i3*1000 <= dc;i3++){ for(int i2 = 0;i3*1000+i2*100 <= dc;i2++){ int i0 = dc-i3*1000-i2*100; if(d3 >= i3 && d2 >= i2 && d0 >= i0){ int nd3 = d3 - i3 + c3; int nd2 = d2 - i2 + c2; int nd0 = d0 - i0 + c0; if(d[nd3][nd2][nd0] > d[d3][d2][d0] + 1){ d[nd3][nd2][nd0] = d[d3][d2][d0] + 1; max = Math.max(max, d[nd3][nd2][nd0]); q.add(new int[]{nd3, nd2, nd0}); } } } } } out.println(max); } public static void main(String[] args) throws Exception { long S = System.currentTimeMillis(); is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); solve(); out.flush(); long G = System.currentTimeMillis(); tr(G-S+"ms"); } private static boolean eof() { if(lenbuf == -1)return true; int lptr = ptrbuf; while(lptr < lenbuf)if(!isSpaceChar(inbuf[lptr++]))return false; try { is.mark(1000); while(true){ int b = is.read(); if(b == -1){ is.reset(); return true; }else if(!isSpaceChar(b)){ is.reset(); return false; } } } catch (IOException e) { return true; } } private static byte[] inbuf = new byte[1024]; static int lenbuf = 0, ptrbuf = 0; private static int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private static boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private static int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private static double nd() { return Double.parseDouble(ns()); } private static char nc() { return (char)skip(); } private static String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private static char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private static char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private static int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private static int ni() { int num = 0, b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); } }