#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>
using namespace std;
static const double EPS = 1e-5;
typedef long long ll;
typedef pair<int,int> pint;
#define foreach(i,n) for(i=0;i<n;i++)
#define rep(i,n) for(int i=0;i<n;i++)
#define F first
#define S second
int dx[]={1,-1,0,0},dy[]={0,0,1,-1};

int main(){
	pair<int,int> a[101];
	rep(i,101){
		a[i].second=-i;
	}
	for(int k;cin>>k;){
		a[k].first++;
	}
	sort(a,a+101,greater<pair<int,int> >());
	for(int i=0;cout<<-a[i].second<<endl,a[i].F==a[i+1].F;i++);
	return 0;
}