백준 10817

package baekjoon.구현;

import java.io.*;
import java.util.*;

public class Main10817 {

   public static void main(String[] args) throws Exception {
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      StringTokenizer st = new StringTokenizer(br.readLine());
      PriorityQueue<Integer> pq = new PriorityQueue<>(Comparator.reverseOrder());
      while (st.hasMoreTokens()) {
         pq.add(Integer.parseInt(st.nextToken()));
      }

      pq.poll();
      System.out.println(pq.poll());
   }

}