import java.util.*;
import java.io.*;
 
public class Main{
    public static void main(String[] args){
        String numberText = "";
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
 
        try{
            numberText = br.readLine();
        } catch (IOException e){
            e.printStackTrace();
        }
 
        String numbers[] = numberText.split(" ");
 
        Arrays.sort(numbers);
 
        int num = Integer.parseInt(numbers[1]);
 
        System.out.println(num);
    } 
}

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