import java.io.*;
import java.util.*;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		int[] x=new int[3];
		x[0]=sc.nextInt();
		x[1]=sc.nextInt();
		x[2]=sc.nextInt();
		Arrays.sort(x);
		if(x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0])
			pw.println("Yes");
		else
			pw.println("No");
		pw.close();
	}

	static class Scanner {
		StringTokenizer st;
		BufferedReader br;

		public Scanner(InputStream s) {
			br = new BufferedReader(new InputStreamReader(s));
		}

		public Scanner(String file) throws FileNotFoundException {
			br = new BufferedReader(new FileReader(file));
		}

		public String next() throws IOException {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}

		public int nextInt() throws IOException {
			return Integer.parseInt(next());
		}

		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}

		public String nextLine() throws IOException {
			return br.readLine();
		}

		public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		}

		public boolean ready() throws IOException {
			return br.ready();
		}
	}
} import java.io.*; io.* java import java.util.*; util.* java public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		int[] x=new int[3];
		x[0]=sc.nextInt();
		x[1]=sc.nextInt();
		x[2]=sc.nextInt();
		Arrays.sort(x);
		if(x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0])
			pw.println("Yes");
		else
			pw.println("No");
		pw.close();
	}

	static class Scanner {
		StringTokenizer st;
		BufferedReader br;

		public Scanner(InputStream s) {
			br = new BufferedReader(new InputStreamReader(s));
		}

		public Scanner(String file) throws FileNotFoundException {
			br = new BufferedReader(new FileReader(file));
		}

		public String next() throws IOException {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}

		public int nextInt() throws IOException {
			return Integer.parseInt(next());
		}

		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}

		public String nextLine() throws IOException {
			return br.readLine();
		}

		public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		}

		public boolean ready() throws IOException {
			return br.ready();
		}
	}
} Main public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		int[] x=new int[3];
		x[0]=sc.nextInt();
		x[1]=sc.nextInt();
		x[2]=sc.nextInt();
		Arrays.sort(x);
		if(x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0])
			pw.println("Yes");
		else
			pw.println("No");
		pw.close();
	} main {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		int[] x=new int[3];
		x[0]=sc.nextInt();
		x[1]=sc.nextInt();
		x[2]=sc.nextInt();
		Arrays.sort(x);
		if(x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0])
			pw.println("Yes");
		else
			pw.println("No");
		pw.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) PrintWriter pw = new PrintWriter(System.out); pw new PrintWriter(System.out) int[] x=new int[3]; x new int[3] 3 x[0]=sc.nextInt() x[0] x 0 sc.nextInt() sc.nextInt sc x[1]=sc.nextInt() x[1] x 1 sc.nextInt() sc.nextInt sc x[2]=sc.nextInt() x[2] x 2 sc.nextInt() sc.nextInt sc Arrays.sort(x) Arrays.sort Arrays x if(x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0])
			pw.println("Yes");
		else
			pw.println("No"); x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0] x[0]==x[1]&&x[1]!=x[2] x[0]==x[1] x[0] x 0 x[1] x 1 x[1]!=x[2] x[1] x 1 x[2] x 2 x[1]==x[2]&&x[1]!=x[0] x[1]==x[2] x[1] x 1 x[2] x 2 x[1]!=x[0] x[1] x 1 x[0] x 0 pw.println("Yes") pw.println pw "Yes" pw.println("No") pw.println pw "No" pw.close() pw.close pw String[] args args static class Scanner {
		StringTokenizer st;
		BufferedReader br;

		public Scanner(InputStream s) {
			br = new BufferedReader(new InputStreamReader(s));
		}

		public Scanner(String file) throws FileNotFoundException {
			br = new BufferedReader(new FileReader(file));
		}

		public String next() throws IOException {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}

		public int nextInt() throws IOException {
			return Integer.parseInt(next());
		}

		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}

		public String nextLine() throws IOException {
			return br.readLine();
		}

		public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		}

		public boolean ready() throws IOException {
			return br.ready();
		}
	} Scanner StringTokenizer st; st BufferedReader br; br public Scanner(InputStream s) {
			br = new BufferedReader(new InputStreamReader(s));
		} Scanner {
			br = new BufferedReader(new InputStreamReader(s));
		} br = new BufferedReader(new InputStreamReader(s)) br new BufferedReader(new InputStreamReader(s)) InputStream s s public Scanner(String file) throws FileNotFoundException {
			br = new BufferedReader(new FileReader(file));
		} Scanner {
			br = new BufferedReader(new FileReader(file));
		} br = new BufferedReader(new FileReader(file)) br new BufferedReader(new FileReader(file)) String file file public String next() throws IOException {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		} next {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		} while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine()); st == null || !st.hasMoreTokens() st == null st null !st.hasMoreTokens() st.hasMoreTokens() st.hasMoreTokens st st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st public int nextInt() throws IOException {
			return Integer.parseInt(next());
		} nextInt {
			return Integer.parseInt(next());
		} return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next public long nextLong() throws IOException {
			return Long.parseLong(next());
		} nextLong {
			return Long.parseLong(next());
		} return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next public String nextLine() throws IOException {
			return br.readLine();
		} nextLine {
			return br.readLine();
		} return br.readLine(); br.readLine() br.readLine br public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		} nextDouble {
			return Double.parseDouble(next());
		} return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next public boolean ready() throws IOException {
			return br.ready();
		} ready {
			return br.ready();
		} return br.ready(); br.ready() br.ready br public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		int[] x=new int[3];
		x[0]=sc.nextInt();
		x[1]=sc.nextInt();
		x[2]=sc.nextInt();
		Arrays.sort(x);
		if(x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0])
			pw.println("Yes");
		else
			pw.println("No");
		pw.close();
	}

	static class Scanner {
		StringTokenizer st;
		BufferedReader br;

		public Scanner(InputStream s) {
			br = new BufferedReader(new InputStreamReader(s));
		}

		public Scanner(String file) throws FileNotFoundException {
			br = new BufferedReader(new FileReader(file));
		}

		public String next() throws IOException {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}

		public int nextInt() throws IOException {
			return Integer.parseInt(next());
		}

		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}

		public String nextLine() throws IOException {
			return br.readLine();
		}

		public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		}

		public boolean ready() throws IOException {
			return br.ready();
		}
	}
} public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		int[] x=new int[3];
		x[0]=sc.nextInt();
		x[1]=sc.nextInt();
		x[2]=sc.nextInt();
		Arrays.sort(x);
		if(x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0])
			pw.println("Yes");
		else
			pw.println("No");
		pw.close();
	}

	static class Scanner {
		StringTokenizer st;
		BufferedReader br;

		public Scanner(InputStream s) {
			br = new BufferedReader(new InputStreamReader(s));
		}

		public Scanner(String file) throws FileNotFoundException {
			br = new BufferedReader(new FileReader(file));
		}

		public String next() throws IOException {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}

		public int nextInt() throws IOException {
			return Integer.parseInt(next());
		}

		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}

		public String nextLine() throws IOException {
			return br.readLine();
		}

		public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		}

		public boolean ready() throws IOException {
			return br.ready();
		}
	}
} Main
import java.io.*;
import java.util.*;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		int[] x=new int[3];
		x[0]=sc.nextInt();
		x[1]=sc.nextInt();
		x[2]=sc.nextInt();
		Arrays.sort(x);
		if(x[0]==x[1]&&x[1]!=x[2]||x[1]==x[2]&&x[1]!=x[0])
			pw.println("Yes");
		else
			pw.println("No");
		pw.close();
	}

	static class Scanner {
		StringTokenizer st;
		BufferedReader br;

		public Scanner(InputStream s) {
			br = new BufferedReader(new InputStreamReader(s));
		}

		public Scanner(String file) throws FileNotFoundException {
			br = new BufferedReader(new FileReader(file));
		}

		public String next() throws IOException {
			while (st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}

		public int nextInt() throws IOException {
			return Integer.parseInt(next());
		}

		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}

		public String nextLine() throws IOException {
			return br.readLine();
		}

		public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		}

		public boolean ready() throws IOException {
			return br.ready();
		}
	}
}