import java.util.*;
import java.io.*;
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        System.out.println(solve(in));
        
      }
      
      public static String solve(Scanner in) {
        int A= in.nextInt();
        int B = in.nextInt();
        int C= in.nextInt();

        Map<Integer, Integer> checker = new HashMap<>();
        checker.put(A, checker.getOrDefault(A, 0) + 1);
        checker.put(B, checker.getOrDefault(B, 0) + 1);
        checker.put(C, checker.getOrDefault(C, 0) + 1);

        for (int c: checker.keySet()) {
            if (checker.get(c) == 2) return "Yes";
        }
        return "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