import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        String ans = "Yes";
        if(a == b){
            if(b == c){
                ans = "No"; 
         }   
        }else if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        }
        System.out.println(ans);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        String ans = "Yes";
        if(a == b){
            if(b == c){
                ans = "No"; 
         }   
        }else if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        }
        System.out.println(ans);
    }
} Main public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        String ans = "Yes";
        if(a == b){
            if(b == c){
                ans = "No"; 
         }   
        }else if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        }
        System.out.println(ans);
    } main {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        String ans = "Yes";
        if(a == b){
            if(b == c){
                ans = "No"; 
         }   
        }else if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        }
        System.out.println(ans);
    } 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 String ans = "Yes"; ans "Yes" if(a == b){
            if(b == c){
                ans = "No"; 
         }   
        }else if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        } a == b a b {
            if(b == c){
                ans = "No"; 
         }   
        } if(b == c){
                ans = "No"; 
         } b == c b c {
                ans = "No"; 
         } ans = "No" ans "No" if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        } b != c b c {
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        } if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            } a == c a c {
                ans = "Yes";
            } ans = "Yes" ans "Yes" {
                ans = "No"; 
            } ans = "No" ans "No" System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        String ans = "Yes";
        if(a == b){
            if(b == c){
                ans = "No"; 
         }   
        }else if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        }
        System.out.println(ans);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        String ans = "Yes";
        if(a == b){
            if(b == c){
                ans = "No"; 
         }   
        }else if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        }
        System.out.println(ans);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        String ans = "Yes";
        if(a == b){
            if(b == c){
                ans = "No"; 
         }   
        }else if(b != c){
            if(a == c){
                ans = "Yes";
            }else{
                ans = "No"; 
            }
        }
        System.out.println(ans);
    }
}
