using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.IO.Compression;
using System.Text;
namespace Solver
{
class Program
{
const int M = 1000000007;
const double eps = 1e-9;
static int[] dd = { 0, 1, 0, -1, 0 };
static void Main()
{
var sw = new System.IO.StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
var sc = new Scan();
int n = sc.Int;
var k = sc.IntArr;
var ans = new int[n];
ans[0] = k[0];
ans[n - 1] = k[n - 2];
for (int i = 1; i < n - 1; i++)
{
ans[i] = Math.Min(k[i - 1], k[i]);
}
sw.WriteLine(string.Join(" ", ans));
sw.Flush();
}
static void swap<T>(ref T a, ref T b)
{
var t = a;
a = b;
b = t;
}
static bool isprime(long n)
{
if (n == 1) return false;
for (long i = 2; i * i <= n; i++)
if (n % i == 0)
return false;
return true;
}
static string strsort(string s)
{
var c = s.ToCharArray();
Array.Sort(c);
return string.Join("", c);
}
static string strswap(string s, int i, int j)
{
var c = s.ToCharArray();
c[i] = s[j];
c[j] = s[i];
return string.Join("", c);
}
static T[] copy<T>(T[] a)
{
var ret = new T[a.Length];
for (int i = 0; i < a.Length; i++) ret[i] = a[i];
return ret;
}
}
class Scan
{
public int Int { get { return int.Parse(Console.ReadLine().Trim()); } }
public long Long { get { return long.Parse(Console.ReadLine().Trim()); } }
public string Str { get { return Console.ReadLine().Trim(); } }
public int[] IntArr { get { return Console.ReadLine().Trim().Split().Select(int.Parse).ToArray(); } }
public int[] IntArrWithSep(char sep) { return Console.ReadLine().Trim().Split(sep).Select(int.Parse).ToArray(); }
public long[] LongArr { get { return Console.ReadLine().Trim().Split().Select(long.Parse).ToArray(); } }
public double[] DoubleArr { get { return Console.ReadLine().Split().Select(double.Parse).ToArray(); } }
public string[] StrArr { get { return Console.ReadLine().Trim().Split(); } }
public List<int> IntList { get { return Console.ReadLine().Trim().Split().Select(int.Parse).ToList(); } }
public List<long> LongList { get { return Console.ReadLine().Trim().Split().Select(long.Parse).ToList(); } }
public void Multi(out int a, out int b) { var arr = IntArr; a = arr[0]; b = arr[1]; }
public void Multi(out int a, out int b, out int c) { var arr = IntArr; a = arr[0]; b = arr[1]; c = arr[2]; }
public void Multi(out int a, out int b, out int c, out int d) { var arr = IntArr; a = arr[0]; b = arr[1]; c = arr[2]; d = arr[3]; }
public void Multi(out int a, out string b) { var arr = StrArr; a = int.Parse(arr[0]); b = arr[1]; }
public void Multi(out string a, out int b) { var arr = StrArr; a = arr[0]; b = int.Parse(arr[1]); }
public void Multi(out int a, out int b, out string c) { var arr = StrArr; a = int.Parse(arr[0]); b = int.Parse(arr[1]); c = arr[2]; }
public void Multi(out int a, out char b) { var arr = StrArr; a = int.Parse(arr[0]); b = arr[1][0]; }
public void Multi(out char a, out int b) { var arr = StrArr; a = arr[0][0]; b = int.Parse(arr[1]); }
public void Multi(out long a, out long b) { var arr = LongArr; a = arr[0]; b = arr[1]; }
public void Multi(out long a, out int b) { var arr = LongArr; a = arr[0]; b = (int)arr[1]; }
public void Multi(out int a, out long b) { var arr = LongArr; a = (int)arr[0]; b = arr[1]; }
public void Multi(out string a, out string b) { var arr = StrArr; a = arr[0]; b = arr[1]; }
}
class mymath
{
public bool isprime(long a)
{
if (a < 2) return false;
for (long i = 2; i * i <= a; i++)
if (a % i == 0)
return false;
return true;
}
public long[][] powmat(long[][] A, int n, int M)
{
var E = new long[A.Length][];
for (int i = 0; i < A.Length; i++)
{
E[i] = new long[A.Length];
E[i][i] = 1;
}
if (n == 0) return E;
var t = powmat(A, n / 2, M);
if ((n & 1) == 0) return mulmat(t, t, M);
else return mulmat(mulmat(t, t, M), A, M);
}
public long[] mulmat(long[][] A, long[] x, int M)
{
var ans = new long[A.Length];
for (int i = 0; i < A.Length; i++)
for (int j = 0; j < x.Length; j++)
ans[i] = (ans[i] + x[j] * A[i][j]) % M;
return ans;
}
public long[][] mulmat(long[][] A, long[][] B, int M)
{
var ans = new long[A.Length][];
for (int i = 0; i < A.Length; i++)
{
ans[i] = new long[B[0].Length];
for (int j = 0; j < B[0].Length; j++)
for (int k = 0; k < A[0].Length; k++)
ans[i][j] = (ans[i][j] + A[i][k] * B[k][j]) % M;
}
return ans;
}
public long powmod(long a, long b, long M)
{
if (a == 0) return 0;
if (b == 0) return 1;
if (b == 1) return a % M;
var t = powmod(a, b / 2, M);
if ((b & 1) == 0) return t * t % M;
else return t * t % M * a % M;
}
public long gcd(long a, long b)
{
while (b != 0)
{
var t = a % b;
a = b;
b = t;
}
return a;
}
public long lcm(int a, int b) { return a * (long)b / gcd(a, b); }
}
}