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