#include using longlong=long long; [[maybe_unused]]auto cmn=[](auto&& a,auto b){if(a>b){a=b;return true;}return false;}; [[maybe_unused]]auto cmx=[](auto&& a,auto b){if(aa(3); for(longlong i=0;i<3;i++)std::cin>>a.at(i); longlong L=std::numeric_limits::min(); longlong R=std::numeric_limits::max(); longlong sum=0; for(longlong i=0;i<3;i++){ longlong x;std::cin>>x; sum+=x; cmx(L,(sum-1)*a.at(i)+1); cmn(R,sum*a.at(i)); } if(L>R){ std::cout<<-1<