#include<bits/stdc++.h>
using namespace std;
#pragma region Macros
#define ll long long
#define ld long double
#define FOR(i,l,r) for(ll i=(l);i<(r);++i)
#define REP(i,n) FOR(i,0,n)
#define REPS(i,n) FOR(i,1,n+1)
#define RFOR(i,l,r) for(ll i=(l);i>=(r);--i)
#define RREP(i,n) RFOR(i,n-1,0)
#define RREPS(i,n) RFOR(i,n,1)
#define pb push_back
#define eb emplace_back
#define SZ(x) ((ll)(x).size())
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
template<class T = ll> using V = vector<T>;
template<class T = ll> using VV = V<V<T>>;
using P = pair<ll, ll>;
using Graph = VV<>;
#define ios\
    ios::sync_with_stdio(false);\
    cin.tie(nullptr);
#define VEC(type, name, size)\
    V<type> name(size);\
    IN(name)
#define VVEC(type, name, h, w)\
    VV<type> name(h, V<type>(w));\
    IN(name)
#define INT(...)\
    int __VA_ARGS__;\
    IN(__VA_ARGS__)
#define LL(...)\
    ll __VA_ARGS__;\
    IN(__VA_ARGS__)
#define STR(...)\
    string __VA_ARGS__;\
    IN(__VA_ARGS__)
#define CHAR(...)\
    char __VA_ARGS__;\
    IN(__VA_ARGS__)
#define DOUBLE(...)\
    DOUBLE __VA_ARGS__;\
    IN(__VA_ARGS__)
#define LD(...)\
    LD __VA_ARGS__;\
    IN(__VA_ARGS__)
template <class T> void scan(T a) { cin >> a; }
void scan(int &a) { cin >> a; }
void scan(long long &a) { cin >> a; }
void scan(char &a) { cin >> a; }
void scan(double &a) { cin >> a; }
void scan(long double &a) { cin >> a; }
void scan(char a[]) { scanf("%s", a); }
void scan(string &a) { cin >> a; }
template <class T> void scan(V<T> &);
template <class T, class L> void scan(pair<T, L> &);
template <class T> void scan(V<T> &a) { for(auto &i : a) scan(i); }
template <class T, class L> void scan(pair<T, L> &p){ scan(p.first); scan(p.second); }
template <class T> void scan(T &a) { cin >> a; }
void IN() {}
template <class Head, class... Tail> void IN(Head &head, Tail &... tail) { scan(head); IN(tail...); }
template <class T> inline void print(T x){ cout << x << '\n';}
template <class T> V<T> press(V<T> &x){ 
    V<T> res = x;
    sort(all(res));
    res.erase(unique(all(res)), res.end());
    REP(i, SZ(x)){
        x[i] = lower_bound(all(res), x[i]) - res.begin();
    }
    return res;
}
template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return true; }return false; }
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return true; }return false; }
inline void Yes(bool b = true) {cout << (b ? "Yes" : "No") << '\n';}
inline void YES(bool b = true) {cout << (b ? "YES" : "NO") << '\n';}
inline void err(bool b = true) {if(b) {cout << -1 << '\n'; exit(0);}}
template<class T> inline void fin(bool b = true, T e = 0) {if(b) {cout << e << '\n'; exit(0);}}
template<class T> T Roundup_div(T x, T y) {return (x+(y-1))/y;}
template <typename T> T pow(T a, long long n, T e = 1) {T ret = e; while (n) {if (n & 1) ret *= a; a *= a; n >>= 1; } return ret; }
const ll INF = 1e18;
#pragma endregion

int main(){
    ios;
    LL(n, k);
    VEC(ll, a, n);
    REP(i, n) a[i]--;
    V<set<ll>> vs(200000);
    REP(i, n){
        vs[a[i]].insert(i);
    }
    ll now = 0, goal = n * k - 1;
    bool flg = false;
    while(goal - now > n){
        if(vs[a[now % n]].upper_bound(now % n) == vs[a[now % n]].end()){
            now += n + *vs[a[now % n]].begin() - now % n;
        }
        else now += *vs[a[now % n]].upper_bound(now % n) - now % n;
        now++;
        if(now % n == 0){
            flg = 1;
            break;
        }
    }
    if(flg) now *= (goal / now);
    while(goal - now > n){
        if(vs[a[now % n]].upper_bound(now % n) == vs[a[now % n]].end()){
            now += n + *vs[a[now % n]].begin() - now % n;
        }
        else now += *vs[a[now % n]].upper_bound(now % n) - now % n;
        now++;
    }
    stack<ll> st;
    V<> used(2e5, 0);
    for(ll i = now; i <= goal; i++){
        if(!used[a[i % n]]){
            used[a[i % n]] = 1;
            st.push(a[i % n]);
        }
        else{
            while(st.top() != a[i % n]){
                used[st.top()] = 0;
                st.pop();
            }
            st.pop();
            used[a[i % n]] = 0;
        }
    }
    V<> res;
    while(SZ(st)) res.pb(st.top()), st.pop();
    reverse(all(res));
    for(auto v : res) cout << v + 1 << " ";
    cout << endl;
}

Measured memory_bytes: 28764