/* Aa^~ kokoro ga pyonpyon suru n jaa^~
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*/

#include <bits/stdc++.h>
using namespace std;

using VI = vector<int>;
using VVI = vector<VI>;
using PII = pair<int, int>;
using LL = long long;
using VL = vector<LL>;
using VVL = vector<VL>;
using PLL = pair<LL, LL>;
using VS = vector<string>;

#define ALL(a)  begin((a)),end((a))
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define MT make_tuple
#define SZ(a) int((a).size())
#define SORT(c) sort(ALL((c)))
#define RSORT(c) sort(RALL((c)))
#define UNIQ(c) (c).erase(unique(ALL((c))), end((c)))

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)

#define FF first
#define SS second

template<class S, class T>
istream& operator>>(istream& is, pair<S,T>& p){
  return is >> p.FF >> p.SS;
}
template<class T>
istream& operator>>(istream& is, vector<T>& xs){
  for(auto& x: xs)
	is >> x;
  return is;
}
template<class S, class T>
ostream& operator<<(ostream& os, const pair<S,T>& p){
  return os << p.FF << " " << p.SS;
}
template<class T>
ostream& operator<<(ostream& os, const vector<T>& xs){
  for(unsigned int i=0;i<xs.size();++i)
	os << (i?" ":"") << xs[i];
  return os;
}
template<class T>
void maxi(T& x, T y){
  if(x < y) x = y;
}
template<class T>
void mini(T& x, T y){
  if(x > y) x = y;
}
void debug(istringstream&){}
template <char sep=',', class Head, class... Tail>
void debug(istringstream& iss, Head&& head, Tail&&... tail)
{
  string name;
  getline(iss, name, ',');
  cout << sep << name << "=" << head;
  debug(iss, forward<Tail>(tail)...);
}

#ifdef PYONPOI
#define DEBUG(...) \
  do{ \
    istringstream ss(#__VA_ARGS__); \
    debug<' '>(ss, __VA_ARGS__); \
    cout<<endl; \
  }while(0)
#else
#define DEBUG
#endif


const double EPS = 1e-10;
const double PI  = acos(-1.0);
const LL MOD = 1e9+7;

int main(){
  cin.tie(0);
  ios_base::sync_with_stdio(false);

  LL N, K;
  cin >> N >> K;
  VI as(N);
  cin >> as;

  map<int,int> memo;
  VI tail(N+1);
  tail[N] = N;
  for(int i=N-1;i>=0;--i){
    int a = as[i];
    if(!memo.count(a)){
      tail[i] = i;
    }
    else{
      int ix = memo[a];
      tail[i] = tail[ix+1];
    }
    memo[a] = i;
  }

  memo.clear();
  REP(i,N) if(!memo.count(as[i])) memo[as[i]] = i;

  VI nxt(N+1);
  nxt[N] = 0;
  REP(i,N){
    int ix = tail[i];
    if(ix == N){
      nxt[i] = 0;
    }
    else{
      int a = as[ix];
      nxt[i] = memo[a] + 1;
    }
  }

  --K;
  LL len = 0;
  memo.clear();
  int crt = 0;
  int tm = 0;
  memo[crt] = tm++;
  while(K > 0){
    int ni = nxt[crt];
    if(memo.count(ni)){
      len = tm - memo[ni];
      K %= len;
      break;
    }
    crt = ni;
    memo[crt] = tm++;
    --K;
  }

  while(K > 0){
    int ni = nxt[crt];
    crt = ni;
    --K;
  }

  // simulate
  set<int> s;
  VI ans;
  for(int i=crt;i<N;++i){
    if(!s.count(as[i])){
      s.insert(as[i]);
      ans.PB(as[i]);
    }
    else{
      s.erase(as[i]);
      while(ans.back() != as[i]){
        s.erase(ans.back());
        ans.pop_back();
      }
      ans.pop_back();
    }
  }  
  if(!ans.empty())
    cout << ans << endl;

  return 0;
}


Measured memory_bytes: 20596