#include using namespace std; typedef long long lld; int main() { lld n,x,y; cin>>n>>x>>y; lld ans=0; vector > > > v(n); for(lld i=0;i>v[i].second.first>>v[i].second.second.first>>v[i].first>>v[i].second.second.second; ans += v[i].second.second.second; } cout<