1 import java.util.HashMap;
2 import java.util.Map;
3 import java.util.Scanner;
4
5 import javax.swing.text.html.HTMLDocument.Iterator;
6
7 public class Main{
8 public static void main(String args[]) {
9 Scanner sc=new Scanner(System.in);
10 while(sc.hasNext()) {
11 int n=sc.nextInt();
12 if(n==0) {
13 break;
14 }
15 Map<String,Integer> map=new HashMap<String,Integer>();
16 for(int i=0;i<n;i++) {
17 String key=sc.next();
18 if(!map.containsKey(key)) {
19 map.put(key, 1);
20 }
21 else {
22 int temp=map.get(key);
23 map.put(key, ++temp);
24 }
25 }
26 int max=Integer.MIN_VALUE;
27 String color="";
28 java.util.Iterator<String> it=map.keySet().iterator();
29 while(it.hasNext()) {
30 String theKey=it.next();
31 int theValue=map.get(theKey);
32 if(max<theValue) {
33 color=theKey;
34 max=theValue;
35 }
36 }
37 System.out.println(color);
38 }
39 }
40 }