using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;

partial class Solver {
    public class Data {
        public int Id { get; set; }
        public int Value { get; set; }
    }

    public void Run() {
        var N = ni();
        var Q = ni();
        var S = new int[N];
        var T = new int[N];
        var X = new int[N];
        for (int i = 0; i < N; i++) {
            S[i] = ni();
            T[i] = ni();
            X[i] = ni();
        }
        var D = ni(Q);

        var tree = new RangeUpdateSegmentTree<int>(Math.Min, int.MaxValue);
        tree.Build(Q, i => int.MaxValue);

        for (int i = 0; i < N; i++) {
            //var begin = dic.GetIndex(S[i] - X[i]);
            //var end = dic.GetIndex(T[i] - X[i]);
            var begin = ArrayUtility.LowerBound(D, S[i] - X[i]);
            var end = ArrayUtility.UpperBound(D, T[i] - X[i] - 1);

            tree.RangeMerge(begin, end, X[i]);
        }

        for (int i = 0; i < Q; i++) {
            var ans = tree[i];
            if (ans == int.MaxValue) ans = -1;
            cout.WriteLine(ans);
        }
    }
}


static public class ArrayUtility {
    static public int LowerBound<T>(IList<T> A, T x) {
        return LowerBound(A, 0, A.Count, x);
    }

    static public int LowerBound<T>(IList<T> A, T x, IComparer<T> comparer) {
        return LowerBound(A, 0, A.Count, x, comparer);
    }

    static public int LowerBound<T>(IList<T> A, int start, int end, T x) {
        return LowerBound(A, start, end, x, Comparer<T>.Default);
    }

    static public int LowerBound<T>(IList<T> A, int start, int end, T x, IComparer<T> comparer) {
        int lower = start, upper = end - 1;
        int result = end;
        while (lower <= upper) {
            int pos = (lower + upper) / 2;
            if (comparer.Compare(x, A[pos]) <= 0) {
                result = pos;
                upper = pos - 1;
            } else
                lower = pos + 1;
        }

        return result;
    }

    static public int UpperBound<T>(IList<T> A, T x) {
        return UpperBound(A, 0, A.Count, x);
    }

    static public int UpperBound<T>(IList<T> A, T x, IComparer<T> comparer) {
        return UpperBound(A, 0, A.Count, x, comparer);
    }

    static public int UpperBound<T>(IList<T> A, int start, int end, T x) {
        return UpperBound(A, start, end, x, Comparer<T>.Default);
    }

    static public int UpperBound<T>(IList<T> A, int start, int end, T x, IComparer<T> comparer) {
        int lower = start, upper = end - 1;
        int result = end;
        while (lower <= upper) {
            int pos = (lower + upper) / 2;
            if (comparer.Compare(x, A[pos]) < 0) {
                result = pos;
                upper = pos - 1;
            } else
                lower = pos + 1;
        }

        return result;
    }
}
public class IndexDictionary<T> {
    private readonly Dictionary<T, int> _toIndex;
    private readonly T[] _array;

    public IndexDictionary(IEnumerable<T> source) : this(source, Comparer<T>.Default) { }

    public IndexDictionary(IEnumerable<T> source, IComparer<T> comparer) {
        _array = source.ToArray();
        Array.Sort(_array, comparer);
        _toIndex = new Dictionary<T, int>(_array.Length);
        int index = -1;
        foreach (var x in _array) _toIndex[x] = ++index;
    }

    public int Count { get { return _array.Length; } }

    public T this[int index] { get { return _array[index]; } }

    public int GetIndex(T value) { return _toIndex[value]; }
}

public class IndexDictionaryFactory {
    public static IndexDictionary<T> Create<T>(IEnumerable<T> source) {
        return new IndexDictionary<T>(source);
    }
}

public sealed class RangeUpdateSegmentTree<TMonoid> {
    public int Count { get; private set; }
    private TMonoid[] _node;
    private readonly TMonoid _identity;
    private readonly Func<TMonoid, TMonoid, TMonoid> _merge;

    public RangeUpdateSegmentTree(Func<TMonoid, TMonoid, TMonoid> merge, TMonoid identity) {
        _merge = merge;
        _identity = identity;
    }

    public void Build(IList<TMonoid> array) {
        Build(array.Count, i => array[i]);
    }

    public void Build(int n, Func<int, TMonoid> create) {
        Count = n;

        _node = new TMonoid[2 * Count];

        for (int i = 0; i < n; i++) {
            _node[i + Count] = create(i);
        }

        for (int i = Count - 1; i > 0; i--) {
            _node[i] = _merge(_node[i << 1], _node[i << 1 | 1]);
        }
    }

    public TMonoid Get(int index) {
        int p = index + Count;
        var val = _identity;
        while (p > 0) {
            val = _merge(val, _node[p]);
            p >>= 1;
        }
        return val;
    }

    public void RangeUpdate(int begin, int end, TMonoid val) {
        int l = begin + Count;
        int r = end + Count - 1;
        for (; l <= r; l >>= 1, r >>= 1) {
            if ((l & 1) == 1) { _node[l++] = val; }
            if ((r & 1) == 0) { _node[r--] = val; }
        }
    }

    public void RangeMerge(int begin, int end, TMonoid val) {
        int l = begin + Count;
        int r = end + Count - 1;
        for (; l <= r; l >>= 1, r >>= 1) {
            if ((l & 1) == 1) { _node[l] = _merge(val, _node[l]); l++; }
            if ((r & 1) == 0) { _node[r] = _merge(_node[r], val); r--; }
        }
    }
    public TMonoid this[int index] {
        get { return Get(index); }
    }
};

// PREWRITEN CODE BEGINS FROM HERE
partial class Solver : Scanner {
    public static void Main(string[] args) {
#if LOCAL
        new Solver(Console.In, Console.Out).Run();
#else
        Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });
        new Solver(Console.In, Console.Out).Run();
        Console.Out.Flush();
#endif
    }

    readonly TextReader cin;
    readonly TextWriter cout;

    public Solver(TextReader reader, TextWriter writer)
        : base(reader) {
        this.cin = reader;
        this.cout = writer;
    }
    public Solver(string input, TextWriter writer)
        : this(new StringReader(input), writer) {
    }

    public int ni() { return NextInt(); }
    public int[] ni(int n) { return NextIntArray(n); }
    public long nl() { return NextLong(); }
    public long[] nl(int n) { return NextLongArray(n); }
    public double nd() { return NextDouble(); }
    public string ns() { return Next(); }
}

public class Scanner {
    private TextReader Reader;
    private Queue<String> TokenQueue = new Queue<string>();
    private readonly CultureInfo ci = CultureInfo.InvariantCulture;

    public Scanner()
        : this(Console.In) {
    }

    public Scanner(TextReader reader) {
        this.Reader = reader;
    }

    public int NextInt() { return Int32.Parse(Next(), ci); }
    public long NextLong() { return Int64.Parse(Next(), ci); }
    public double NextDouble() { return double.Parse(Next(), ci); }
    public string[] NextArray(int size) {
        var array = new string[size];
        for (int i = 0; i < size; i++) array[i] = Next();
        return array;
    }
    public int[] NextIntArray(int size) {
        var array = new int[size];
        for (int i = 0; i < size; i++) array[i] = NextInt();
        return array;
    }

    public long[] NextLongArray(int size) {
        var array = new long[size];
        for (int i = 0; i < size; i++) array[i] = NextLong();
        return array;
    }

    public String Next() {
        if (TokenQueue.Count == 0) {
            if (!StockTokens()) throw new InvalidOperationException();
        }
        return TokenQueue.Dequeue();
    }

    public bool HasNext() {
        if (TokenQueue.Count > 0)
            return true;
        return StockTokens();
    }

    private bool StockTokens() {
        while (true) {
            var line = Reader.ReadLine();
            if (line == null) return false;
            var tokens = line.Trim().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
            if (tokens.Length == 0) continue;
            foreach (var token in tokens)
                TokenQueue.Enqueue(token);
            return true;
        }
    }
}


Measured memory_bytes: 21724