using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Numerics;
namespace Tasks
{
public class D
{
public static void Main(string[] args)
{
var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
Console.SetOut(sw);
Solve();
Console.Out.Flush();
}
public static void Solve()
{
var (N, K) = Scanner.Scan<int, int>();
var P = Scanner.ScanEnumerable<int>().ToArray();
var queue = new PriorityQueue<int>();
for (var i = 0; i < K - 1; i++)
{
queue.Enqueue(P[i]);
}
var answer = new List<int>();
for (var i = K - 1; i < N; i++)
{
queue.Enqueue(P[i]);
while (queue.Count > K)
{
queue.Dequeue();
}
var min = queue.Dequeue();
answer.Add(min);
queue.Enqueue(min);
}
Console.WriteLine(string.Join("\n", answer));
}
public class PriorityQueue<T> : IReadOnlyCollection<T>
{
private readonly Comparison<T> _comparison;
private readonly List<T> _heap;
public PriorityQueue(IComparer<T> comparer) : this(null, comparer) { }
public PriorityQueue(Comparison<T> comparison) : this(null, comparison) { }
public PriorityQueue(IEnumerable<T> items = null, IComparer<T> comparer = null)
: this(items, (comparer ?? Comparer<T>.Default).Compare) { }
public PriorityQueue(IEnumerable<T> items, Comparison<T> comparison)
{
_heap = new List<T>();
_comparison = comparison;
if (items == null) return;
foreach (var item in items) Enqueue(item);
}
public int Count => _heap.Count;
public IEnumerator<T> GetEnumerator() => _heap.GetEnumerator();
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
public void Enqueue(T item)
{
var child = Count;
_heap.Add(item);
while (child > 0)
{
var parent = (child - 1) / 2;
if (_comparison(_heap[parent], _heap[child]) <= 0) break;
(_heap[parent], _heap[child]) = (_heap[child], _heap[parent]);
child = parent;
}
}
public T Dequeue()
{
if (Count == 0) throw new InvalidOperationException();
var ret = _heap[0];
_heap[0] = _heap[Count - 1];
_heap.RemoveAt(Count - 1);
var parent = 0;
while (parent * 2 + 1 < Count)
{
var left = parent * 2 + 1;
var right = parent * 2 + 2;
if (right < Count && _comparison(_heap[left], _heap[right]) > 0)
left = right;
if (_comparison(_heap[parent], _heap[left]) <= 0) break;
(_heap[parent], _heap[left]) = (_heap[left], _heap[parent]);
parent = left;
}
return ret;
}
public T Peek()
{
if (Count == 0) throw new InvalidOperationException();
return _heap[0];
}
public bool TryDequeue(out T result)
{
if (Count > 0)
{
result = Dequeue();
return true;
}
result = default;
return false;
}
public bool TryPeek(out T result)
{
if (Count > 0)
{
result = Peek();
return true;
}
result = default;
return false;
}
public void Clear() => _heap.Clear();
public bool Contains(T item) => _heap.Contains(item);
}
public static class Scanner
{
public static T Scan<T>() where T : IConvertible => Convert<T>(ScanLine()[0]);
public static (T1, T2) Scan<T1, T2>() where T1 : IConvertible where T2 : IConvertible
{
var line = ScanLine();
return (Convert<T1>(line[0]), Convert<T2>(line[1]));
}
public static (T1, T2, T3) Scan<T1, T2, T3>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible
{
var line = ScanLine();
return (Convert<T1>(line[0]), Convert<T2>(line[1]), Convert<T3>(line[2]));
}
public static (T1, T2, T3, T4) Scan<T1, T2, T3, T4>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible where T4 : IConvertible
{
var line = ScanLine();
return (Convert<T1>(line[0]), Convert<T2>(line[1]), Convert<T3>(line[2]), Convert<T4>(line[3]));
}
public static (T1, T2, T3, T4, T5) Scan<T1, T2, T3, T4, T5>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible where T4 : IConvertible where T5 : IConvertible
{
var line = ScanLine();
return (Convert<T1>(line[0]), Convert<T2>(line[1]), Convert<T3>(line[2]), Convert<T4>(line[3]), Convert<T5>(line[4]));
}
public static (T1, T2, T3, T4, T5, T6) Scan<T1, T2, T3, T4, T5, T6>() where T1 : IConvertible where T2 : IConvertible where T3 : IConvertible where T4 : IConvertible where T5 : IConvertible where T6 : IConvertible
{
var line = ScanLine();
return (Convert<T1>(line[0]), Convert<T2>(line[1]), Convert<T3>(line[2]), Convert<T4>(line[3]), Convert<T5>(line[4]), Convert<T6>(line[5]));
}
public static IEnumerable<T> ScanEnumerable<T>() where T : IConvertible => ScanLine().Select(Convert<T>);
private static T Convert<T>(string value) where T : IConvertible => (T)System.Convert.ChangeType(value, typeof(T));
private static string[] ScanLine() => Console.ReadLine()?.Trim().Split(' ') ?? Array.Empty<string>();
}
}
}