import java.util.Scanner;
public class Main{
    public static void main(String args[]){
        Scanner scan = new Scanner(System.in);
        int numa = scan.nextInt();
        int numb = scan.nextInt();
        int numc = scan.nextInt();
        if(numa == numb && numb == numc && numa == numc){
            System.out.println("No");
        }else if(numa == numb){
            System.out.println("Yes");
        }else if(numa == numc){
            System.out.println("Yes");
        }else if(numb == numc){
            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