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