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();
    }
    int ans = 0;
    if(a[0] == a[1] && !(a[0] == a[2])){
      ans = 1;
    }
    if(a[1] == a[2] && !(a[1] == a[0])){
      ans = 1;
    }
    if(a[2] == a[0] && !(a[2] == a[1])){
      ans = 1;
    }
    if(ans == 1){
      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