import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int C = sc.nextInt();
        int A = sc.nextInt();
        int B = sc.nextInt();

        int[] cmp = new int[10];
        String ans = "No";
        cmp[A]++;
        cmp[B]++;
        cmp[C]++;
        for (int i = 0; i < 10; i++) {
            if(cmp[i] == 2) {
                ans = "Yes";
            }
        }

        System.out.println(ans);

    }
}
/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