#include <bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,s,n) for(int i = s;i<n;i++)
#define repe(i,s,n) for(int i = s;i<=n;i++)
#define rrep(i,s,n) for(int i = (n)-1;i>=(s);i--)
#define all(v) (v).begin(),(v).end()
#define pb push_back
#define fi first
#define se second
#define chmin(a,b) a=min((a),(b))
#define chmax(a,b) a=max((a),(b))
typedef long long ll;
typedef pair<int,int>pint;
typedef vector<int>vint;
typedef vector<pint>vpint;
typedef pair<pint,int> P1;
typedef pair<int,pint> P2;
typedef pair<pint,pint>PP;
static const ll maxLL = (ll)1 << 62;
const ll MOD=1000000007;
const ll INF=1e18;
int dx[]={0,0,1,-1};
int dy[]={-1,1,0,0};
int N,M,L,P,Q,R;
signed main(){
cin.tie(0);
ios::sync_with_stdio(false);
int n, m, l, p, q, r;
cin >> n >> m >> l >> p >> q >> r;
int ret = max((n/p)*(m/q)*(l/r), (n/q)*(m/p)*(l/r));
ret = max(ret, (m/r)*(l/q)*(n/p));
ret = max(ret, (m/p)*(l/q)*(n/r));
ret = max(ret, (l/p)*(n/r)*(m/q));
ret = max(ret, (m/r)*(l/p)*(n/q));
cout<<ret<<"\n";
return 0;
}