import java.util.*;
import java.lang.Math;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
  		
      	int nums[] = new int[3];
      	boolean por = false;
      	
      	for(int i=0; i < 3;i++) nums[i] = sc.nextInt();
      	Arrays.sort(nums);
      
      	if(nums[0] == nums[1]){
        	if(nums[0] != nums[2]) por = true;
        } else if(nums[1] == nums[2]){
        	if(nums[1] != nums[0]) por = true;
        }
      
      	if(por) 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