import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int[] nums = new int[3];
		for(int i=0; i<3; i++)
			nums[i]=sc.nextInt();
		Arrays.sort(nums);
		if(nums[0]==nums[1]) {
			if(nums[1]!=nums[2])
				System.out.println("Yes");
			else
				System.out.println("No");
		}else {
			if(nums[1]==nums[2])
				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