#include <stdio.h>
#include <math.h>
#include <iostream>

using namespace std;

int main() {

	int counter[101] = {0};
	int a;
	int MAX = 0;
	int i = 0;
	
	while (cin >> a) {
		counter[a]++;
	}

	for (int j = 1; j < 101; j++) {
		MAX = max(MAX, counter[j]);
	}

	for (int k = 1; k < 101; k++) {
		if (MAX == counter[k]) {
			cout << k << endl;
		}
	}

	return 0;
}