#include <bits/stdc++.h>
 
//    #include <boost/multiprecision/cpp_int.hpp>
 #define int long long
 #define inf  1000000007
 #define pa pair<int,int>
 #define ll long long
 #define pal pair<double,double>
 #define ppap pair<pa,int>
  #define PI 3.14159265358979323846
  #define paa pair<int,char>
  #define  mp make_pair
  #define  pb push_back
  #define EPS (1e-10)
                                          
    int dx[8]={0,1,0,-1,1,1,-1,-1};
    int dy[8]={1,0,-1,0,-1,1,1,-1};
                                            using namespace std;
                                   			class pa3{
                                            	public:
                                            	int x;
                                   				int y,z;
                                            	pa3(int x=0,int y=0,int z=0):x(x),y(y),z(z) {}
                                            	bool operator < (const pa3 &p) const{
                                            		if(x!=p.x) return x<p.x;
                                            		if(y!=p.y) return y<p.y;
                                            		 return z<p.z;
                                            		//return x != p.x ? x<p.x: y<p.y;
                                            	}
                                   				bool operator > (const pa3 &p) const{
                                            		if(x!=p.x) return x>p.x;
                                            		if(y!=p.y) return y>p.y;
                                            		 return z>p.z;
                                            		//return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator == (const pa3 &p) const{
                                            		return x==p.x && y==p.y && z==p.z;
                                            	}
                                            		bool operator != (const pa3 &p) const{
                                            			return !( x==p.x && y==p.y && z==p.z);
                                            	}
                                            
                                            };
                                            
                                            class pa4{
                                            	public:
                                            	int x;
                                            	int y,z,w;
                                            	pa4(int x=0,int y=0,int z=0,int w=0):x(x),y(y),z(z),w(w) {}
                                            	bool operator < (const pa4 &p) const{
                                            		if(x!=p.x) return x<p.x;
                                            		if(y!=p.y) return y<p.y;
                                            		if(z!=p.z)return z<p.z;
                                            		return w<p.w;
                                            		//return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator > (const pa4 &p) const{
                                            		if(x!=p.x) return x>p.x;
                                            		if(y!=p.y) return y>p.y;
                                            		if(z!=p.z)return z>p.z;
                                            		return w>p.w;
                                            		//return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator == (const pa4 &p) const{
                                            		return x==p.x && y==p.y && z==p.z &&w==p.w;
                                            	}
                                            		
                                            
                                            };
                                            class pa2{
                                            	public:
                                            	int x,y;
                                            	pa2(int x=0,int y=0):x(x),y(y) {}
                                            	pa2 operator + (pa2 p) {return pa2(x+p.x,y+p.y);}
                                            	pa2 operator - (pa2 p) {return pa2(x-p.x,y-p.y);}
                                            	bool operator < (const pa2 &p) const{
                                            		return y != p.y ? y<p.y: x<p.x;
                                            	}
                                            	bool operator > (const pa2 &p) const{
                                            		return x != p.x ? x<p.x: y<p.y;
                                            	}
                                            	bool operator == (const pa2 &p) const{
                                            		return abs(x-p.x)==0 && abs(y-p.y)==0;
                                            	}
                                            	bool operator != (const pa2 &p) const{
                                            		return !(abs(x-p.x)==0 && abs(y-p.y)==0);
                                            	}
                                            		
                                            
                                            };
                                            
 
                      
                                string itos( int i ) {
                                ostringstream s ;
                                s << i ;
                                return s.str() ;
                                }
                                 
                                int gcd(int v,int b){
                                	if(v>b) return gcd(b,v);
                                	if(v==b) return b;
                                	if(b%v==0) return v;
                                	return gcd(v,b%v);
                                }
                 
                            
                                int mod;
int extgcd(int a, int b, int &x, int &y) {
    if (b == 0) {
        x = 1;
        y = 0;
        return a;
    }
    int d = extgcd(b, a%b, y, x);
    y -= a/b * x;
    return d;
}
pa operator+(const pa & l,const pa & r) {   
    return {l.first+r.first,l.second+r.second};                                    
}    
pa operator-(const pa & l,const pa & r) {   
    return {l.first-r.first,l.second-r.second};                                    
}  
                                
                int pr[200010];
                int inv[200010];
                
                int beki(int wa,int rr,int warukazu){
                	if(rr==0) return 1%warukazu;
                	if(rr==1) return wa%warukazu;
                	wa%=warukazu;
                	if(rr%2==1) return ((ll)beki(wa,rr-1,warukazu)*(ll)wa)%warukazu;
                	ll zx=beki(wa,rr/2,warukazu);
                	return (zx*zx)%warukazu;
                }
 
                
    			int comb(int nn,int rr){
    				if(rr<0 || rr>nn || nn<0) return 0;
    				int r=pr[nn]*inv[rr];
    				r%=mod;
    				r*=inv[nn-rr];
    				r%=mod;
    				return r;
    			}
                
                void gya(int ert){
                	pr[0]=1;
                	for(int i=1;i<=ert;i++){
                		pr[i]=(pr[i-1]*i)%mod;
                	}
                		inv[ert]=beki(pr[ert],mod-2,mod);
                	for(int i=ert-1;i>=0;i--){
                		inv[i]=inv[i+1]*(i+1)%mod;
                	}
                }
                
              //   cin.tie(0);
    		//	ios::sync_with_stdio(false);
    			//priority_queue<pa3,vector<pa3>,greater<pa3>> pq;            
                 //sort(ve.begin(),ve.end(),greater<int>());
//    mt19937(clock_per_sec);
  //  mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()) ;
      
       
       
                               //----------------kokomade tenpure------------

pa dp[70][200020];
 signed main(){
 	
 
    cin.tie(0);
	ios::sync_with_stdio(false);
 	int n,k;
 	cin>>n>>k;
 	vector<int> ve(n);
 	for(int i=0;i<n;i++)cin>>ve[i];
 	vector<int> sumi(n,0);
 	vector<int> vo(2*100010,inf);
 	
 	for(int i=n-1;i>=0;i--){
 		if(vo[ve[i]]<inf){
 			sumi[i]=1;
 			dp[0][i]=mp(0,vo[ve[i]]);
 		}
 		vo[ve[i]]=i;
 	}
 	for(int i=n-1;i>=0;i--)if(!sumi[i]){
 		dp[0][i]=mp(1,vo[ve[i]]);
 	}
 	
 	
 	for(int i=0;i<n;i++){
 		dp[0][i].second++;
 		if(dp[0][i].second==n){
 			dp[0][i].second=0;
 			dp[0][i].first++;
 		}
 		
 	//	cout<<dp[0][i].first<<" "<<dp[0][i].second<<endl;
 	}
 	
 	int gen=1100000000000ll;
 	
 	for(int i=1;i<=69;i++)for(int j=0;j<n;j++){
 		pa z1=dp[i-1][j];
 		
 		if(z1.first>=gen){
 			dp[i][j]=mp(gen,0);
 			continue;
 		}
 		pa z2=dp[i-1][z1.second];
 		if(z1.first+z2.first>=gen) dp[i][j]=mp(gen,0);
 		else dp[i][j]=mp(z1.first+z2.first,z2.second);
 	//	cout<<i<<" "<<j<<" "<<dp[i][j].first<<" "<<dp[i][j].second<<endl;
 	}
 //	cout<<"d"<<endl;
 	int ra=1 ,pos=0;
 	
 	while(k-ra>4){
 //		cout<<ra<<" "<<pos<<endl;
 		for(int i=69;i>=0;i--){
 			if(k-ra<dp[i][pos].first) continue;
 			ra+=dp[i][pos].first;
 			pos=dp[i][pos].second;
 			break;
 		}
 	}
 //		cout<<ra<<" "<<pos<<endl;
 	
 	vector<int> las;
 	for(int i=pos;i<n;i++)las.pb(ve[i]);
 	for(int i=0;i<k-ra;i++)for(auto v:ve)las.pb(v);
 	
 	for(int i=0;i<=200010;i++)vo[i]=0;
 	vector<int> ans;
 	for(auto v:las){
 //		cout<<v<<" ";
 		if(!vo[v]){
 			vo[v]=1;
 			ans.pb(v);
 		}
 		else{
 			vo[v]=0;
 			while(1){
 				int y=ans.back();
 				ans.pop_back();
 				vo[y]=0;
 				if(y==v) break;
 			}
 		}

 	}
 //	cout<<endl;
 //	return 0;
 	for(auto v:ans)cout<<v<<" ";
 	cout<<endl;
 	
 	
	return 0;

 	
 	
 }

Measured memory_bytes: 234220