#include #include #include #include #include #include #include #include #include #include #include using namespace std; #define REP(i,b,e) for(ll i=(ll)b;i<(ll)e;i++) #define rep0(i,n) REP(i,0ll,n) #define rep1(i,n) REP(i,1ll,n+1) #define shosu setprecision(10) typedef long long ll; typedef pair P; typedef pair Q; typedef pair R; ll longinf=1ll<<60; int inf=1<<29; //mleしなければぜんぶllでかく。 int main(){ ll p,q,r,a,b,c; cin>>p>>q>>r>>a>>b>>c; c=a+b+c; b=a+b; ll minN=max({p*(a-1),q*(b-1),r*(c-1)})+1; ll maxN=min({p*a,q*b,r*c}); if(minN<=maxN){ cout<