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

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);
        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 Func<TMonoid, TMonoid, TMonoid> _merge;

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

    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 = _node[p];
        p >>= 1;
        while (p > 0) {
            val = _merge(val, _node[p]);
            p >>= 1;
        }
        return 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
internal partial class Solver : Scanner {
    public static void Main(string[] args) {
#if LOCAL
        byte[] inputBuffer = new byte[1000000];
        var inputStream = Console.OpenStandardInput(inputBuffer.Length);
        using (var reader = new StreamReader(inputStream, Console.InputEncoding, false, inputBuffer.Length)) {
            Console.SetIn(reader);
            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
    }

#pragma warning disable IDE0052
    private readonly TextReader cin;
    private readonly TextWriter cout;
#pragma warning restore IDE0052

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

#pragma warning disable IDE1006
#pragma warning disable IDE0051
    private int ni() { return NextInt(); }
    private int[] ni(int n) { return NextIntArray(n); }
    private long nl() { return NextLong(); }
    private long[] nl(int n) { return NextLongArray(n); }
    private double nd() { return NextDouble(); }
    private double[] nd(int n) { return NextDoubleArray(n); }
    private string ns() { return Next(); }
    private string[] ns(int n) { return NextArray(n); }
#pragma warning restore IDE1006
#pragma warning restore IDE0051
}

internal static class LinqPadExtension {
    [Conditional("DEBUG")]
    public static void Dump<T>(this T obj) {
#if DEBUG
        LINQPad.Extensions.Dump(obj);
#endif
    }
}

public class Scanner {
    private readonly TextReader Reader;
    private readonly CultureInfo ci = CultureInfo.InvariantCulture;

    private readonly char[] buffer = new char[2 * 1024];
    private int cursor = 0, length = 0;
    private string Token;
    private readonly StringBuilder sb = new StringBuilder(1024);

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

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

    public int NextInt() { return checked((int)NextLong()); }
    public long NextLong() {
        var s = Next();
        long r = 0;
        int i = 0;
        bool negative = false;
        if (s[i] == '-') {
            negative = true;
            i++;
        }
        for (; i < s.Length; i++) {
            r = r * 10 + (s[i] - '0');
#if DEBUG
            if (!char.IsDigit(s[i])) throw new FormatException();
#endif
        }
        return negative ? -r : r;
    }
    public double NextDouble() { return double.Parse(Next(), ci); }
    public string[] NextArray(int size) {
        string[] array = new string[size];
        for (int i = 0; i < size; i++) {
            array[i] = Next();
        }

        return array;
    }
    public int[] NextIntArray(int size) {
        int[] array = new int[size];
        for (int i = 0; i < size; i++) {
            array[i] = NextInt();
        }

        return array;
    }

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

        return array;
    }

    public double[] NextDoubleArray(int size) {
        double[] array = new double[size];
        for (int i = 0; i < size; i++) {
            array[i] = NextDouble();
        }

        return array;
    }

    public string Next() {
        if (Token == null) {
            if (!StockToken()) {
                throw new InvalidOperationException();
            }
        }
        var token = Token;
        Token = null;
        return token;
    }

    public bool HasNext() {
        if (Token != null) {
            return true;
        }

        return StockToken();
    }

    private bool StockToken() {
        while (true) {
            sb.Clear();
            while (true) {
                if (cursor >= length) {
                    cursor = 0;
                    if ((length = Reader.Read(buffer, 0, buffer.Length)) <= 0) {
                        break;
                    }
                }
                var c = buffer[cursor++];
                if (33 <= c && c <= 126) {
                    sb.Append(c);
                } else {
                    if (sb.Length > 0) break;
                }
            }

            if (sb.Length > 0) {
                Token = sb.ToString();
                return true;
            }

            return false;
        }
    }
}

Measured memory_bytes: 21564