#include <iostream>
#include <set>

using namespace std;

int main(void){
	int count = 0;
	set<int, greater<int>> nums;
	for (int i=0; i<10; ++i){
		int num;
		cin >> num;
		if ((0<=num) && (num<=10000)){
			nums.insert(num);
			count++;
		}
	}
	set<int, greater<int>>::iterator it = nums.begin();
	int n = 0;
	while (it != nums.end() && (n<3)){
		cout << *it << endl;
		++it;
		++n;
	}

	return 0;
}