#include <algorithm>
#include <iostream>
#include <cstdio>
#include <map>
#include <numeric>
#include <cmath>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <queue>
#include <stack>
#include <complex>
#include <string.h>
#include <unordered_set>
#include <unordered_map>
#include <bitset>
#include <iomanip>
#include <sys/time.h>
#include <tuple>
#include <random>
using namespace std;

#define endl '\n'
#define ALL(v) (v).begin(), (v).end()
#define RALL(v) (v).rbegin(), (v).rend()
#define UNIQ(v) (v).erase(unique((v).begin(), (v).end()), (v).end())

typedef long long ll;
typedef long double ld;
typedef pair<int, int> P;
typedef tuple<int, int, int> T;
typedef complex<double> comp;
typedef vector< vector<ld> > matrix;
struct pairhash {
public:
    template<typename T, typename U>
    size_t operator()(const pair<T, U> &x) const {
	size_t seed = hash<T>()(x.first);
	return hash<U>()(x.second) + 0x9e3779b9 + (seed<<6) + (seed>>2);
    }
};
const int inf = 1e9 + 9;
const ll mod = 1e9 + 7;
const double eps = 1e-8;
const double pi = acos(-1);

int a[3], b[2][3];
int d[2];
int r[3];
int v[3] = {1000, 100, 1};
map<T, int> memo;

int calc(T t) {
    if (memo.count(t) == 0){
        int c[3] ={get<0>(t), get<1>(t), get<2>(t)};
        int res = 0;
        int D;
        for (int i = 0; i < 2; i++) {
            D = d[i];
            for (int j = 0; j < 2; j++) {
                r[j] = 0;
                while (D > 0 && D >= v[j] && c[j] >= r[j]+1) {
                    r[j]++;
                    D -= v[j];
                }
            }
            if (D <= c[2]) {
                res = max(res, 1+calc(make_tuple(c[0]-r[0]+b[i][0], c[1]-r[1]+b[i][1], c[2]-D+b[i][2])));
            }
        }
        memo[t] = res;
    }
    return memo[t];
}

int solve() {
    return calc(make_tuple(a[0], a[1], a[2]));
}

void input() {
    for (int i = 0; i < 3; i++) cin >> a[i];
    cin >> d[0];
    for (int i = 0; i < 3; i++) cin >> b[0][i];
    cin >> d[1];
    for (int i = 0; i < 3; i++) cin >> b[1][i];
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(15);

    input();
    cout << solve() << endl;
}