import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      int A=sc.nextInt();
      int B=sc.nextInt();
      int C=sc.nextInt();
      int cnt=0;
      if(A==B){
         cnt++;
      }
      if(A==C){
         cnt++;
      }
      if(B==C){
         cnt++;
      }
      if(cnt==1){
         System.out.print("Yes");
      }else{
         System.out.print("No");
      }
   }
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      int A=sc.nextInt();
      int B=sc.nextInt();
      int C=sc.nextInt();
      int cnt=0;
      if(A==B){
         cnt++;
      }
      if(A==C){
         cnt++;
      }
      if(B==C){
         cnt++;
      }
      if(cnt==1){
         System.out.print("Yes");
      }else{
         System.out.print("No");
      }
   }
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      int A=sc.nextInt();
      int B=sc.nextInt();
      int C=sc.nextInt();
      int cnt=0;
      if(A==B){
         cnt++;
      }
      if(A==C){
         cnt++;
      }
      if(B==C){
         cnt++;
      }
      if(cnt==1){
         System.out.print("Yes");
      }else{
         System.out.print("No");
      }
   } main {
		Scanner sc = new Scanner(System.in);
      int A=sc.nextInt();
      int B=sc.nextInt();
      int C=sc.nextInt();
      int cnt=0;
      if(A==B){
         cnt++;
      }
      if(A==C){
         cnt++;
      }
      if(B==C){
         cnt++;
      }
      if(cnt==1){
         System.out.print("Yes");
      }else{
         System.out.print("No");
      }
   } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int A=sc.nextInt(); A sc.nextInt() sc.nextInt sc int B=sc.nextInt(); B sc.nextInt() sc.nextInt sc int C=sc.nextInt(); C sc.nextInt() sc.nextInt sc int cnt=0; cnt 0 if(A==B){
         cnt++;
      } A==B A B {
         cnt++;
      } cnt++ cnt if(A==C){
         cnt++;
      } A==C A C {
         cnt++;
      } cnt++ cnt if(B==C){
         cnt++;
      } B==C B C {
         cnt++;
      } cnt++ cnt if(cnt==1){
         System.out.print("Yes");
      }else{
         System.out.print("No");
      } cnt==1 cnt 1 {
         System.out.print("Yes");
      } System.out.print("Yes") System.out.print System.out System System.out "Yes" {
         System.out.print("No");
      } System.out.print("No") System.out.print System.out System System.out "No" String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      int A=sc.nextInt();
      int B=sc.nextInt();
      int C=sc.nextInt();
      int cnt=0;
      if(A==B){
         cnt++;
      }
      if(A==C){
         cnt++;
      }
      if(B==C){
         cnt++;
      }
      if(cnt==1){
         System.out.print("Yes");
      }else{
         System.out.print("No");
      }
   }
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      int A=sc.nextInt();
      int B=sc.nextInt();
      int C=sc.nextInt();
      int cnt=0;
      if(A==B){
         cnt++;
      }
      if(A==C){
         cnt++;
      }
      if(B==C){
         cnt++;
      }
      if(cnt==1){
         System.out.print("Yes");
      }else{
         System.out.print("No");
      }
   }
} Main
import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      int A=sc.nextInt();
      int B=sc.nextInt();
      int C=sc.nextInt();
      int cnt=0;
      if(A==B){
         cnt++;
      }
      if(A==C){
         cnt++;
      }
      if(B==C){
         cnt++;
      }
      if(cnt==1){
         System.out.print("Yes");
      }else{
         System.out.print("No");
      }
   }
}
