import java.util.Scanner;

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();

		int cnt=0;

		if(a==b) {
			cnt++;
		}
		if(a==c) {
			cnt++;
		}
		if(b==c) {
			cnt++;
		}

		//System.out.println(cnt);
		if(cnt == 1) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();

	}

} import java.util.Scanner; Scanner 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();

		int cnt=0;

		if(a==b) {
			cnt++;
		}
		if(a==c) {
			cnt++;
		}
		if(b==c) {
			cnt++;
		}

		//System.out.println(cnt);
		if(cnt == 1) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();

	}

} 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();

		int cnt=0;

		if(a==b) {
			cnt++;
		}
		if(a==c) {
			cnt++;
		}
		if(b==c) {
			cnt++;
		}

		//System.out.println(cnt);
		if(cnt == 1) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();

	} main {
		Scanner sc = new Scanner(System.in);

		int a,b,c;
		a = sc.nextInt();
		b = sc.nextInt();
		c = sc.nextInt();

		int cnt=0;

		if(a==b) {
			cnt++;
		}
		if(a==c) {
			cnt++;
		}
		if(b==c) {
			cnt++;
		}

		//System.out.println(cnt);
		if(cnt == 1) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();

	} 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 int cnt=0; cnt 0 if(a==b) {
			cnt++;
		} a==b a b {
			cnt++;
		} cnt++ cnt if(a==c) {
			cnt++;
		} a==c a c {
			cnt++;
		} cnt++ cnt if(b==c) {
			cnt++;
		} b==c b c {
			cnt++;
		} cnt++ cnt if(cnt == 1) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} cnt == 1 cnt 1 {
			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" sc.close() sc.close sc 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();

		int cnt=0;

		if(a==b) {
			cnt++;
		}
		if(a==c) {
			cnt++;
		}
		if(b==c) {
			cnt++;
		}

		//System.out.println(cnt);
		if(cnt == 1) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();

	}

} 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();

		int cnt=0;

		if(a==b) {
			cnt++;
		}
		if(a==c) {
			cnt++;
		}
		if(b==c) {
			cnt++;
		}

		//System.out.println(cnt);
		if(cnt == 1) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();

	}

} Main
import java.util.Scanner;

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();

		int cnt=0;

		if(a==b) {
			cnt++;
		}
		if(a==c) {
			cnt++;
		}
		if(b==c) {
			cnt++;
		}

		//System.out.println(cnt);
		if(cnt == 1) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		sc.close();

	}

}