import java.util.*;
public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
        int a,b,c;
		// 整数の入力
        a = sc.nextInt();
        b = sc.nextInt();
        c = sc.nextInt();
 
        if(a==b && b!=c){
            System.out.println("Yes");
        }else if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
        int a,b,c;
		// 整数の入力
        a = sc.nextInt();
        b = sc.nextInt();
        c = sc.nextInt();
 
        if(a==b && b!=c){
            System.out.println("Yes");
        }else if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
	}
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
        int a,b,c;
		// 整数の入力
        a = sc.nextInt();
        b = sc.nextInt();
        c = sc.nextInt();
 
        if(a==b && b!=c){
            System.out.println("Yes");
        }else if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
	} main {
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
        int a,b,c;
		// 整数の入力
        a = sc.nextInt();
        b = sc.nextInt();
        c = sc.nextInt();
 
        if(a==b && b!=c){
            System.out.println("Yes");
        }else if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) Random rand = new Random(); rand new Random() int a a b b c; c a = sc.nextInt() a sc.nextInt() sc.nextInt sc b = sc.nextInt() b sc.nextInt() sc.nextInt sc c = sc.nextInt() c sc.nextInt() sc.nextInt sc if(a==b && b!=c){
            System.out.println("Yes");
        }else if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } a==b && b!=c a==b a b b!=c b c {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } a==c && c!=b a==c a c c!=b c b {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } b==c && c!=a b==c b c c!=a c a {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" {
            System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
        int a,b,c;
		// 整数の入力
        a = sc.nextInt();
        b = sc.nextInt();
        c = sc.nextInt();
 
        if(a==b && b!=c){
            System.out.println("Yes");
        }else if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
	}
} public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
        int a,b,c;
		// 整数の入力
        a = sc.nextInt();
        b = sc.nextInt();
        c = sc.nextInt();
 
        if(a==b && b!=c){
            System.out.println("Yes");
        }else if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
	}
} Main
import java.util.*;
public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
        int a,b,c;
		// 整数の入力
        a = sc.nextInt();
        b = sc.nextInt();
        c = sc.nextInt();
 
        if(a==b && b!=c){
            System.out.println("Yes");
        }else if(a==c && c!=b){
            System.out.println("Yes");
        }else if(b==c && c!=a){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
	}
}
