atm.cpp

#include<iostream>
#include<vector>
#include<map>
#include<algorithm>

#define long long long
#define nln '\n'

using namespace std;

int main()
{
    //cin.tie(0)->sync_with_stdio(0);
    //freopen("atm.inp", "r", stdin);
    vector<long> mon{1, 5, 10, 50, 100, 500};
    map<long, long> qlt;
    for (auto i : mon)
        cin >> qlt[i];
    long x;
    cin >> x;

    long cnt = 0;
    while (x && mon.size()){
        long num = min(x/mon.back(), qlt[mon.back()]);
        cnt += num;
        x -= num*mon.back();
        mon.pop_back();
    }

    if (x)
        cout << -1 << nln;
    else
        cout << cnt << nln;

    return 0;
}