#include <algorithm>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <deque>
#include <fstream>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <vector>
using namespace std;
using ll = long long;
#define fst first
#define snd second

/* clang-format off */
template <class T, size_t D> struct _vec { using type = vector<typename _vec<T, D - 1>::type>; };
template <class T> struct _vec<T, 0> { using type = T; };
template <class T, size_t D> using vec = typename _vec<T, D>::type;
template <class T> vector<T> make_v(size_t size, const T& init) { return vector<T>(size, init); }
template <class... Ts> auto make_v(size_t size, Ts... rest) { return vector<decltype(make_v(rest...))>(size, make_v(rest...)); }
template <class T> inline void chmin(T &a, const T& b) { if (b < a) a = b; }
template <class T> inline void chmax(T &a, const T& b) { if (b > a) a = b; }
/* clang-format on */

const ll INF = 1ll << 60;

template <typename Val, typename Laziness>
struct LazyPropagationSegmentTreeBase {
  vector<Val> nodes;
  vector<Laziness> laziness;
  vector<bool> islazy;
  int n;
  void init(int n_, const Val &v = Val()) {
    init(vector<Val>(n_, v));
  }
  void init(const vector<Val> &u) {
    n = 1;
    while (n < (int)u.size()) n *= 2;
    nodes.resize(n);
    nodes.insert(nodes.end(), u.begin(), u.end());
    nodes.resize(n * 2, Val());
    for (int i = n - 1; i > 0; --i)
      nodes[i] = nodes[i * 2] + nodes[i * 2 + 1];
    laziness.assign(n, Laziness());
    islazy.assign(n, false);
  }
  Val get(int i) {
    static int indices[128];
    int k = getIndices(indices, i, i + 1);
    propagateRange(indices, k);
    return nodes[i + n];
  }
  Val getRange(int i, int j) {
    static int indices[128];
    int k = getIndices(indices, i, j);
    propagateRange(indices, k);
    Val res = Val();
    for (int l = i + n, r = j + n; l < r; l >>= 1, r >>= 1) {
      if (l & 1) res += value(l++);
      if (r & 1) res += value(--r);
    }
    return res;
  }
  void set(int i, const Val &x) {
    static int indices[128];
    int k = getIndices(indices, i, i + 1);
    propagateRange(indices, k);
    nodes[n + i] = x;
    mergeRange(indices, k);
  }
  void addToRange(int i, int j, const Laziness &x) {
    if (i >= j) return;
    static int indices[128];
    int k = getIndices(indices, i, j);
    propagateRange(indices, k);
    int l = i + n, r = j + n;
    if (l & 1) nodes[l++] += x;
    if (r & 1) nodes[--r] += x;
    for (l >>= 1, r >>= 1; l < r; l >>= 1, r >>= 1) {
      if (l & 1) islazy[l] = true, laziness[l++] += x;
      if (r & 1) laziness[--r] += x, islazy[r] = true;
    }
    mergeRange(indices, k);
  }

 private:
  int getIndices(int indices[128], int i, int j) {
    int k = 0, l, r;
    if (i >= j) return 0;
    for (l = (n + i) >> 1, r = (n + j - 1) >> 1; l != r; l >>= 1, r >>= 1) {
      indices[k++] = l;
      indices[k++] = r;
    }
    for (; l; l >>= 1) indices[k++] = l;
    return k;
  }
  void propagateRange(int indices[], int k) {
    for (int i = k - 1; i >= 0; --i)
      propagate(indices[i]);
  }
  void mergeRange(int indices[], int k) {
    for (int i = 0; i < k; ++i)
      merge(indices[i]);
  }
  inline void propagate(int i) {
    if (i >= n || !islazy[i]) return;
    nodes[i] += laziness[i] * width(i);
    if (i * 2 < n) {
      laziness[i * 2] += laziness[i];
      laziness[i * 2 + 1] += laziness[i];
      islazy[i * 2] = true;
      islazy[i * 2 + 1] = true;
    } else {
      nodes[i * 2] += laziness[i];
      nodes[i * 2 + 1] += laziness[i];
    }
    laziness[i] = Laziness();
    islazy[i] = false;
  }
  inline void merge(int i) {
    if (i >= n) return;
    nodes[i] = value(i * 2) + value(i * 2 + 1);
  }
  inline Val value(int i) {
    propagate(i);
    return nodes[i];
  }
  inline int width(int i) {
    i |= i >> 1;
    i |= i >> 2;
    i |= i >> 4;
    i |= i >> 8;
    i |= i >> 16;
    return n / ((i + 1) >> 1);
  }
};

template <typename Val>
struct LazySumSegmentTree : LazyPropagationSegmentTreeBase<Val, Val> {};

template <typename Val>
struct MinVal {
  Val x;
  MinVal()
      : x(INF) {
  }
  MinVal(Val x_)
      : x(x_) {
  }
  operator Val() {
    return x;
  }
  MinVal operator+(MinVal that) const {
    return min(x, that.x);
  }
  MinVal &operator+=(MinVal that) {
    return *this = *this + that;
  }
};

template <typename Val>
struct StarrySkyTree : LazyPropagationSegmentTreeBase<MinVal<Val>, MinVal<Val>> {};

int main() {
#ifdef DEBUG
  ifstream ifs("in.txt");
  cin.rdbuf(ifs.rdbuf());
#endif
  int N, Q;
  while (cin >> N >> Q) {
    vector<ll> S(N), T(N), X(N);
    for (int i = 0; i < N; i++) cin >> S[i] >> T[i] >> X[i];
    vector<ll> D(Q);
    for (ll &x : D) cin >> x;
    map<ll, int> mp;
    for (int i = 0; i < N; i++) {
      mp[S[i] - X[i]] = 0;
      mp[T[i] - X[i]] = 0;
    }
    for (ll x : D) mp[x] = 0;
    int size = 0;
    for (auto &entry : mp) entry.snd = size++;
    StarrySkyTree<ll> tree;
    tree.init(size + 10, INF);
    for (int i = 0; i < N; i++) {
      tree.addToRange(mp[S[i] - X[i]], mp[T[i] - X[i]], X[i]);
    }
    for (ll d : D) {
      ll X = tree.get(mp[d]).x;
      if (X >= INF) {
        cout << -1 << endl;
      } else {
        cout << X << endl;
      }
    }
  }
  return 0;
}


Measured memory_bytes: 73340