#include <iostream>
#include <algorithm>
#include <array>
#include <cstdint>
#include <functional>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <stack>
#include <stdlib.h>
#include <string>
#include <time.h>
#include <utility>
#include <vector>
#define INF 1000000000
#define MOD 1000000007
#define rep(i,a,b) for(uint32 i = (a); i < (b); ++i)
#define bitget(a,b) (((a) >> (b)) & 1)
#define ALL(x) (x).begin(),(x).end()
#define C(x) std::cout << #x << " : " << x << std::endl
#define scanf scanf_s

using int32 = std::int_fast32_t;
using int64 = std::int_fast64_t;
using uint32 = std::uint_fast32_t;
using uint64 = std::uint_fast64_t;
/*
uint32 __builtin_ctz(uint32 c) {
	uint32 t = 31;
	if (c & 0x0000FFFF) { c &= 0x0000FFFF;t ^= 16; }
	if (c & 0x00FF00FF) { c &= 0x00FF00FF;t ^= 8; }
	if (c & 0x0F0F0F0F) { c &= 0x0F0F0F0F;t ^= 4; }
	if (c & 0x33333333) { c &= 0x33333333;t ^= 2; }
	if (c & 0x55555555) { c &= 0x55555555;t ^= 1; }
	return t;
}
uint32 __builtin_clz(uint32 c) {
	uint32 t = 31;
	if (c & 0xFFFF0000) { c &= 0xFFFF0000;t ^= 16; }
	if (c & 0xFF00FF00) { c &= 0xFF00FF00;t ^= 8; }
	if (c & 0xF0F0F0F0) { c &= 0xF0F0F0F0;t ^= 4; }
	if (c & 0xCCCCCCCC) { c &= 0xCCCCCCCC;t ^= 2; }
	if (c & 0xAAAAAAAA) { c &= 0xAAAAAAAA;t ^= 1; }
	return t;
}
uint32 __builtin_clrsb(uint32 c) {
	return c ? __builtin_clz(c) - 1 : 31;
}
//*/
template<typename T>
class StaticRMQ {
	T* a;
	uint32 **table, t, *R, *L, *part;
	uint32 bitmaskr[32] = { 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFC, 0xFFFFFFF8, 0xFFFFFFF0, 0xFFFFFFE0, 0xFFFFFFC0, 0xFFFFFF80, 0xFFFFFF00, 0xFFFFFE00, 0xFFFFFC00, 0xFFFFF800, 0xFFFFF000, 0xFFFFE000, 0xFFFFC000, 0xFFFF8000, 0xFFFF0000, 0xFFFE0000, 0xFFFC0000, 0xFFF80000, 0xFFF00000, 0xFFE00000, 0xFFC00000, 0xFF800000, 0xFF000000, 0xFE000000, 0xFC000000, 0xF8000000, 0xF0000000, 0xE0000000, 0xC0000000, 0x80000000, };
	uint32 bitmaskl[32] = { 0x00000001, 0x00000003, 0x00000007, 0x0000000F, 0x0000001F, 0x0000003F, 0x0000007F, 0x000000FF, 0x000001FF, 0x000003FF, 0x000007FF, 0x00000FFF, 0x00001FFF, 0x00003FFF, 0x00007FFF, 0x0000FFFF, 0x0001FFFF, 0x0003FFFF, 0x0007FFFF, 0x000FFFFF, 0x001FFFFF, 0x003FFFFF, 0x007FFFFF, 0x00FFFFFF, 0x01FFFFFF, 0x03FFFFFF, 0x07FFFFFF, 0x0FFFFFFF, 0x1FFFFFFF, 0x3FFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF };
public:
	StaticRMQ(std::vector<T> &array) {
		uint32 s, m, c = 0, e[32] = {};
		a = (T *)std::calloc(array.size(), sizeof(T));
		R = (uint32 *)std::calloc((array.size() + 0x1F) >> 5, sizeof(uint32));
		L = (uint32 *)std::calloc((array.size() + 0x1F) >> 5, sizeof(uint32));
		part = (uint32 *)std::calloc(array.size(), sizeof(uint32));
		s = std::max((uint32)(31 ^ __builtin_clrsb(array.size() >> 5)), (uint32)1);
		table = (uint32 **)std::calloc(s + 1, sizeof(uint32 *));
		e[1] = (array.size() >> 5) + 1;
		t = 0;
		while ((1 << ++t) < (array.size() >> 5)) { e[t + 1] = e[t] + (array.size() >> 5) - (1 << t) + 1; }
		table[0] = (uint32 *)std::calloc(e[t], sizeof(uint32));
		for (t = 1;e[t];++t) { table[t] = table[0] + e[t]; }
		for (t = 0;t < array.size();++t) {
			a[t] = array[t];
			part[t] = 1 << (t & 0x1F);
			if (!(t & 0x1F)) {
				m = array[t];
				R[t >> 5] = 1;
				table[0][t >> 5] = t;
				c = 0;
			}
			while (c) { if (!(array[t] < array[e[--c]])) { part[t] |= part[e[c++]]; break; } }
			e[c++] = t;
			if (array[t] < m) {
				m = array[t];
				R[t >> 5] |= 1 << (t & 0x1F);
				table[0][t >> 5] = t;
			}
			if (!((~t) & 0x1F)) { L[t >> 5] = part[t]; }
		}
		--s;
		for (t = 0;t < s;++t) { for (m = 0;m < (uint32)(table[t + 2] - table[t + 1]);++m) { table[t + 1][m] = a[table[t][m]] < a[table[t][m + (1 << t)]] ? table[t][m] : table[t][m + (1 << t)]; } }
	}
	uint32 operator()(uint32 begin, uint32 end) {
		uint32 l = (begin >> 5) + 1;
		uint32 r = --end >> 5;
		if (l < r) {
			t = 31 ^ __builtin_clz(r - l);
			t = std::min(a[table[t][l]] , a[table[t][r - (1 << t)]]);
			t = std::min(a[(begin&~0x1F) | __builtin_ctz(L[begin >> 5] & bitmaskr[begin & 0x1F])], t);
			return std::min(a[(end&~0x1F) | (31 ^ __builtin_clz(R[end >> 5] & bitmaskl[end & 0x1F]))], t);
		}
		if (l == r) {
			t = a[(begin&~0x1F) | __builtin_ctz(L[begin >> 5] & bitmaskr[begin & 0x1F])];
			return std::min(a[(end&~0x1F) | (31 ^ __builtin_clz(R[end >> 5] & bitmaskl[end & 0x1F]))], t);
		}
		return a[(end&~0x1F) | __builtin_ctz(part[end] & bitmaskr[begin & 0x1F])];
	}
};



int main(void) {
	std::ios::sync_with_stdio(false);
	std::cin.tie(0);
	uint32 n, l;
	std::cin >> n >> l;
	std::vector<uint32> a(n);
	rep(i, 0, n) {
		std::cin >> a[i];
	}
	StaticRMQ<uint32> S(a);
	std::cout << S(0, l);
	rep(i, 1, n - l + 1) {
		std::cout << " " << S(i, i + l);
	}
	std::cout << "\n";
	return 0;
}

Measured memory_bytes: 30272