import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int cnt = 0;
		if (a == b) {
			cnt++;
		}
		if (b == c) {
			cnt++;
		}
		if (c == a) {
			cnt++;
		}
		if (cnt == 1) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int cnt = 0;
		if (a == b) {
			cnt++;
		}
		if (b == c) {
			cnt++;
		}
		if (c == a) {
			cnt++;
		}
		if (cnt == 1) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int cnt = 0;
		if (a == b) {
			cnt++;
		}
		if (b == c) {
			cnt++;
		}
		if (c == a) {
			cnt++;
		}
		if (cnt == 1) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} main {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int cnt = 0;
		if (a == b) {
			cnt++;
		}
		if (b == c) {
			cnt++;
		}
		if (c == a) {
			cnt++;
		}
		if (cnt == 1) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int 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 (b == c) {
			cnt++;
		} b == c b c {
			cnt++;
		} cnt++ cnt if (c == a) {
			cnt++;
		} c == a c a {
			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" String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int cnt = 0;
		if (a == b) {
			cnt++;
		}
		if (b == c) {
			cnt++;
		}
		if (c == a) {
			cnt++;
		}
		if (cnt == 1) {
			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 = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int cnt = 0;
		if (a == b) {
			cnt++;
		}
		if (b == c) {
			cnt++;
		}
		if (c == a) {
			cnt++;
		}
		if (cnt == 1) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int cnt = 0;
		if (a == b) {
			cnt++;
		}
		if (b == c) {
			cnt++;
		}
		if (c == a) {
			cnt++;
		}
		if (cnt == 1) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
}