import java.util.*;
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<3;i++) a[i] = sc.nextInt();
 
   Arrays.sort(a);
   
   int ss = 0;
   int s = a[0];
   for(int i=1;i<3;i++) 
   {
     if(s==a[i])
     {
       ss++;
     }
     s = a[i];
   }
   
   String ans = "No";
   if(ss==1) ans = "Yes";
   System.out.print(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