import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int m = sc.nextInt();
fun(n, m);
sc.close();
}
public static void fun(int n, int m){
int[] nums = new int[]{n , m};
System.out.println(nums[(n - m) >>> 31]);
}
} 
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