
import java.util.*;


class Main {
    public static void main(String args[]) {
        Scanner s = new Scanner(System.in);
        int n = s.nextInt();
        int a = s.nextInt();
        int b = s.nextInt();

        String ret="No";
        if(n==b){
            if(n!=a){
                ret="Yes";
            }
        }
        if(n==a){
            if(n!=b){
                ret="Yes";
            }
        }
        if(b==a){
            if(n!=b){
                ret="Yes";
            }
        }
        System.out.println(ret);

    }
}
/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