#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
    vector<int> a(10);
    for (int i = 0; i < 10; ++i) cin >> a[i];
    sort(a.begin(), a.end());
    for (int i = 0; i < 3; ++i) cout << a[i] << endl;
    return 0;
}