/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		//標準入力を配列に入れる
        Scanner sc = new Scanner(System.in);
        String b=sc.nextLine();
        int c=Integer.parseInt(b);
        String line[]=new String[c];
        for(int n=0;n<c;n++){
            line[n]=sc.nextLine();
        }
 
        List<String> list=new ArrayList<>();
 
        for(int n=0;n<c;n++){
            int x=list.indexOf(line[n]);
            //含まれていない場合
            if(x<0){
                list.add(line[n]);
            }
            //含まれている場合
            else if(x>0){
                list.remove(x);
                list.add(0,line[n]);
            }
        }
        System.out.println(list.get(0));
        System.out.println(list.get(1));
        System.out.println(list.get(2));
	}
}

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5
とまと
もも
りんご
きゅうり
りんご