1 #include<stdio.h>
 2 #include<string>
 3 #include<map>
 4 #include<iostream>
 5 using namespace std;
 6 int main()
 7 {
 8     int n;
 9     map<string,int>color; 
10     string str,temp;
11     while(~scanf("%d",&n),n)
12     {
13         int max=0,i;
14         for(i=0;i<n;i++)
15         {
16             cin >> str;
17             color[str]++;
18             if(color[str]>max)
19             { temp=str; max=color[str];}
20             
21         }
22         cout << temp << endl;
23     }
24     return 0;
25 }