백준 2437

package baekjoon.그리디;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

class Main2437 {

   public static void main(String[] args) throws Exception {
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      StringTokenizer st;
      int N = Integer.parseInt(br.readLine());
      List<Integer> list = new ArrayList<>();
      st = new StringTokenizer(br.readLine());
      for (int i = 0; i < N; i++) {
         list.add(Integer.parseInt(st.nextToken()));
      }
      list.sort(null);

      int sum = list.get(0);
      int min = sum +1;
      for (int i = 1; i < N; i++) {
         if (sum + 1 >=  list.get(i)) {
            sum += list.get(i);
            min = sum + 1;
         }
      }
      System.out.println(list.get(0) != 1 ? 1 : min);

   }
}