#include <bits/stdc++.h>
using namespace std;
using ll=long long;

int main()
{
  ll n;
  cin>>n;
  
  string s;
  getline(cin,s);getline(cin,s);
  for(ll i=0;i<s.size();++i){
    if(s[i]==' '){
      cout<<"\"assert\""<<endl;
      return 0;
    }
  }
  
  vector<ll> a(2);
  
  for(int i=0;i<2;++i){
    cin>>a[i];
  }
  a[2]=stoll(s);
  sort(a.begin(),a.end());
  ll sum=a[1]+a[2];
  cout<<sum<<endl;
}