import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);


        int a;
        int b;
        int c;

        a = sc.nextInt();
        b = sc.nextInt();
        c = sc.nextInt();

        if (a==b && a!=c || a==c && a!=b || b==c && b!=a ) {
            System.out.println("Yes");
        }
        else if ((a+b+c / 3 == a)) {
            System.out.println("No");
        }
        else if (a != b && a != c) {
            System.out.println("No");
        }
        else {
            System.out.println("No");
        }

    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz