#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <cmath>
#include <numeric>
#include <utility>
#include <iomanip>

using namespace std;
using int64 = long long;
using P = pair<int, int>;

struct aaa{aaa(){cin.tie(nullptr); ios::sync_with_stdio(false); cout<<fixed<<setprecision(20);};}aaa;

int main() {
    int64 p, q, r, a, b, c;
    cin >> p >> q >> r >> a >> b >> c;
    
    int64 max_ans = (a+b+c) * r;
    int64 min_ans = (a+b+c-1) * r + 1;

    cout << -1 << endl;
}