#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  constexpr int n = 10;
  vector<int> a(n);
  rep(i, n) cin >> a[i];
  sort(a.rbegin(), a.rend());
  cout << a[2] << '\n';
  return 0;
}