#include using namespace std; #define fi first #define se second #define pb push_back using vi = vector ; using ll = long long; using vl = vector ; using pii = pair ; const ll mod = 998244353; //~ const ll mod = 1e9 + 7; ll qpow(ll a, ll b, ll m = mod) { ll r = 1, t = a; for(; b; b /= 2) { if(b & 1) r = r * t % m; t = t * t % m; } return r; } const int N = 2e5 + 11; struct event { int x, a, type; bool operator <(const event &o) const { return x < o.x; } }; int main() { ios::sync_with_stdio(0); int n; cin >> n; vector es; for(int i = 1; i <= n; i ++) { int l, r, a; cin >> l >> r >> a; if(a <= n) { es.pb({l, a, 1}); es.pb({r + 1, a, -1}); } } sort(es.begin(), es.end()); map cnt; bitset bs; bs.set(); int p = 0; int q; cin >> q; while(q --) { int x; cin >> x; while(p < es.size() && es[p].x <= x) { auto e = es[p]; if(e.type == 1) { cnt[e.a] ++; bs[e.a] = 0; } else { cnt[e.a] --; if(cnt[e.a] == 0) bs[e.a] = 1; } p ++; } cout << bs._Find_first() << '\n'; } }