import java.util.*;

public class Main
{
	public static void main(String args[])
	{
		Scanner sc=new Scanner(System.in);
		int a,b,c;
		a=sc.nextInt();
		b=sc.nextInt();
		c=sc.nextInt();
		
		if(a==b && b==c)
		{
			System.out.println("No");
			System.exit(0);
		}
		
		else if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			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);
		int a,b,c;
		a=sc.nextInt();
		b=sc.nextInt();
		c=sc.nextInt();
		
		if(a==b && b==c)
		{
			System.out.println("No");
			System.exit(0);
		}
		
		else if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			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 sc=new Scanner(System.in);
		int a,b,c;
		a=sc.nextInt();
		b=sc.nextInt();
		c=sc.nextInt();
		
		if(a==b && b==c)
		{
			System.out.println("No");
			System.exit(0);
		}
		
		else if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			System.out.println("Yes");
		}
		
		else
		{
			System.out.println("No");
		}
	} main {
		Scanner sc=new Scanner(System.in);
		int a,b,c;
		a=sc.nextInt();
		b=sc.nextInt();
		c=sc.nextInt();
		
		if(a==b && b==c)
		{
			System.out.println("No");
			System.exit(0);
		}
		
		else if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			System.out.println("Yes");
		}
		
		else
		{
			System.out.println("No");
		}
	} Scanner sc=new Scanner(System.in); sc new Scanner(System.in) 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("No");
			System.exit(0);
		}
		
		else if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			System.out.println("Yes");
		}
		
		else
		{
			System.out.println("No");
		} a==b && b==c a==b a b b==c b c {
			System.out.println("No");
			System.exit(0);
		} System.out.println("No") System.out.println System.out System System.out "No" System.exit(0) System.exit System 0 if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			System.out.println("Yes");
		}
		
		else
		{
			System.out.println("No");
		} a==b a b {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			System.out.println("Yes");
		}
		
		else
		{
			System.out.println("No");
		} c==b c b {
			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 public class Main
{
	public static void main(String args[])
	{
		Scanner sc=new Scanner(System.in);
		int a,b,c;
		a=sc.nextInt();
		b=sc.nextInt();
		c=sc.nextInt();
		
		if(a==b && b==c)
		{
			System.out.println("No");
			System.exit(0);
		}
		
		else if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			System.out.println("Yes");
		}
		
		else
		{
			System.out.println("No");
		}
	}
} public class Main
{
	public static void main(String args[])
	{
		Scanner sc=new Scanner(System.in);
		int a,b,c;
		a=sc.nextInt();
		b=sc.nextInt();
		c=sc.nextInt();
		
		if(a==b && b==c)
		{
			System.out.println("No");
			System.exit(0);
		}
		
		else if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			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);
		int a,b,c;
		a=sc.nextInt();
		b=sc.nextInt();
		c=sc.nextInt();
		
		if(a==b && b==c)
		{
			System.out.println("No");
			System.exit(0);
		}
		
		else if(a==b)
		{
			System.out.println("Yes");
		}
		else if(c==b)
		{
			System.out.println("Yes");
		}
		else if(a==c)
		{
			System.out.println("Yes");
		}
		
		else
		{
			System.out.println("No");
		}
	}
}