#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
  freopen ("lonnhat.inp", 'r', stdin);
  freopen ("lonnhat.out", 'w', stdout);
  int a, b, c; cin >> a >> b >> c;
  cout << max({a, b, c});
}

#include <bits/stdc++.h>

using namespace std;

#define int long long

int a, b, c;
main() {
  freopen("lonnhat.inp", "r", stdin);
  freopen("lonnhat.out", "w", stdout);
  ios_base::sync_with_stdio(0);
  cin.tie(nullptr);
  cin >> a >> b >> c;
  cout << max(a , max(b , c));
}