백준 #10817번 세 수

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		
		if(a <= b && b <= c || c <= b && b <= a) {
			System.out.println(b);
		}else if(a <= c && c <= b || b <= c && c <= a) {
			System.out.println(c);
		}else {
			System.out.println(a);
		}
		sc.close();
	}
}