#include using namespace std; #define int long long #define rep(i,n) for(int i=0;i<(n);i++) #define pb push_back #define all(v) (v).begin(),(v).end() #define fi first #define se second typedef vectorvint; typedef pairpint; typedef vectorvpint; templateinline void chmin(A &a,B b){if(a>b)a=b;} templateinline void chmax(A &a,B b){if(a>N; rep(i,N)cin>>A[i]>>B[i]; cin>>M; rep(i,M)cin>>X[i]>>Y[i]; rep(i,N){ rep(j,M)if(X[j]<=A[i]&&Y[j]>=B[i])cnt[j]++; } vpint latte; rep(i,M)latte.pb({cnt[i],-i}); sort(all(latte)); reverse(all(latte)); if(latte[0].fi==0){ cout<<0<