#include<bits/stdc++.h> #define int long long using namespace std; int a[105]; void slove(int n){ //int n; //cin>>n; for (int i = 1;i <= n;i++){ cin>>a[i]; } sort(a + 1,a + n + 1); if (a[1] > 1){ cout<<1; return ; } int sum = 0; for (int i = 1;i <= n;i++){ if (a[i] - sum > 1){ cout<<sum + 1<<'\n'; return ; } sum += a[i]; } cout<<sum + 1<<'\n'; return ; } signed main(){ int t; while (cin>>t){ slove(t); } return 0; }