#include"stdio.h"#include "string.h"typedef struct{char str[16];int count;}COLOR;COLOR color[1001];int main(){int n = 0;char str_in[16] = "";while(scanf("%d", &n) != EOF){//getchar();if(n == 0)break;int index = 0;for(int i = 0; i < n; i++){bool flag = false;scanf("%s", str_in);for(int j = 0; j < index; j++)if(strcmp(str_in, color[j].str) == 0){color[j].count++;flag = true;}if(flag == false){strcpy(color[index].str, str_in);color[index++].count = 1;}}int max = 0;for( int i = 0; i < index; i++)if(color[i].count > color[max].count)max = i;printf("%s\n", color[max].str);}return 0 ;}