#include<bits/stdc++.h>
using namespace std;

#define ld long double
#define ll long long
#define ALL(a)  (a).begin(),(a).end()
#define ALLR(a)  (a).rbegin(),(a).rend()
#define spa << " " <<
#define MP make_pair
#define test cout<<"test"<<endl;
#define fi first
#define se second
const ll MOD = 1e9+7;
//const ll MOD = 998244353;
const ll INF = 1e18;
const ll zero=0;
using P = pair<ll, ll>;
void chmin(ll &a,ll b){if(a>b)a=b;}
void chmax(ll &a,ll b){if(a<b)a=b;}
void pmod(ll &a,ll b){a=(a+b)%MOD;}
void pmod(ll &a,ll b,ll c){a=(b+c)%MOD;}
void qmod(ll &a,ll b){a=(a*b)%MOD;}
void qmod(ll &a,ll b,ll c){a=(b*c)%MOD;}
void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;}
void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;}
void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;}
void ans(bool x,ll y,ll z){if(x)cout<<y<<endl;else cout<<z<<endl;}
void ans(bool x,string y,string z){if(x)cout<<y<<endl;else cout<<z<<endl;}   
ll gcd(ll x,ll y){ll r;while((r=x%y)!=0){x=y;y=r;}return y;}

int main(){
  ll i,j,o;
  ll res=0,res1=INF,res2=-INF,buf=0,buf1=0,buf2=0,buf3=0,buf4=0,sum=0;
  bool judge = true;
  ll p,q,r,a,b,c;cin>>p>>q>>r>>a>>b>>c;
  ll s,t;
  s=(a-1)*p+1;t=a*p;
  //cout<<s spa t<<endl;
  b=a+b;
  chmax(s,q*(b-1)+1);
  chmin(t,b*q);
  //cout<<s spa t<<endl;
  c=b+c;
  chmax(s,r*(c-1)+1);
  chmin(t,c*r);
  //cout<<s spa t<<endl;
  if(s>t)cout<<-1<<endl;
  else cout<<s spa t<<endl;

  return 0;
}