#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
  vector<int> v;
  int n;
  while(cin >> n){
    v.push_back(n);
  }
  sort(v.begin(), v.end(), greater<int>());
  for(int i = 0; i < 3; i++){
    cout << v[i] << endl;
  }
  return 0;
}