import java.lang.reflect.Array;
import java.util.Scanner;

public class Main {
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int a[] = new int[3];

        for(int i=0; i < a.length; i++) {
            a[i] = sc.nextInt();
        }

        if (a[0] == a[1] && a[0] == a[2]) {
            System.out.println("No");
        }
        else if (a[0] != a[1] && a[1] != a[2] && a[0] != a[2]) {
            System.out.println("No");
        }
        else {
            System.out.println("Yes");
        }
    }
}

/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