#include <iostream>
#include <algorithm>

using namespace std;
int main(){
    int num;
        int arr[11]={0};
        int maxnum = -1;
        for (int i = 0; i < 20; ++i) {
            cin>>num;
            arr[num]++;
            maxnum = max(maxnum,arr[num]);
        }
        for (int i = 1; i <=10 ; ++i) {
            if (arr[i]==maxnum){
                cout<<i<<endl;
                break;
            }
        }

}