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();
		sc.close();

		String YES = "Yes";
		String NO = "No";
		String ans = NO;
		if ( A == B && A != C ) {
			ans = YES;
		} else if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		}
		System.out.println(ans);
	}
} 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();
		sc.close();

		String YES = "Yes";
		String NO = "No";
		String ans = NO;
		if ( A == B && A != C ) {
			ans = YES;
		} else if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		}
		System.out.println(ans);
	}
} 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();
		sc.close();

		String YES = "Yes";
		String NO = "No";
		String ans = NO;
		if ( A == B && A != C ) {
			ans = YES;
		} else if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		}
		System.out.println(ans);
	} main {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int C = sc.nextInt();
		sc.close();

		String YES = "Yes";
		String NO = "No";
		String ans = NO;
		if ( A == B && A != C ) {
			ans = YES;
		} else if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		}
		System.out.println(ans);
	} 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 sc.close() sc.close sc String YES = "Yes"; YES "Yes" String NO = "No"; NO "No" String ans = NO; ans NO if ( A == B && A != C ) {
			ans = YES;
		} else if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		} A == B && A != C A == B A B A != C A C {
			ans = YES;
		} ans = YES ans YES if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		} A == C && A != B A == C A C A != B A B {
			ans = YES;
		} ans = YES ans YES if ( B == C && A != B ) {
			ans = YES;
		} B == C && A != B B == C B C A != B A B {
			ans = YES;
		} ans = YES ans YES System.out.println(ans) System.out.println System.out System System.out ans 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();
		sc.close();

		String YES = "Yes";
		String NO = "No";
		String ans = NO;
		if ( A == B && A != C ) {
			ans = YES;
		} else if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		}
		System.out.println(ans);
	}
} 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();
		sc.close();

		String YES = "Yes";
		String NO = "No";
		String ans = NO;
		if ( A == B && A != C ) {
			ans = YES;
		} else if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		}
		System.out.println(ans);
	}
} 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();
		sc.close();

		String YES = "Yes";
		String NO = "No";
		String ans = NO;
		if ( A == B && A != C ) {
			ans = YES;
		} else if ( A == C && A != B ) {
			ans = YES;
		} else if ( B == C && A != B ) {
			ans = YES;
		}
		System.out.println(ans);
	}
}
