import java.util.Scanner;
public class Main{
    public static void main(String[]args){
        Scanner scan = new Scanner(System.in);
        int a,b,c;
        a=scan.nextInt();
        b=scan.nextInt();
        c=scan.nextInt();
        if(a!=b){
            if(a==c||b==c){
                System.out.println("Yes");
            }
            else System.out.println("No");
        }
        else{
            if(a!=c){
                System.out.println("Yes");
            }
            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