import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int[] num = new int[3];
		for (int i = 0; i < 3; i++) {
			num[i] = sc.nextInt();
		}
		if (num[0] < num[1]) {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} 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[] num = new int[3];
		for (int i = 0; i < 3; i++) {
			num[i] = sc.nextInt();
		}
		if (num[0] < num[1]) {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} else {
			System.out.println("No");
		}
		sc.close();
	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int[] num = new int[3];
		for (int i = 0; i < 3; i++) {
			num[i] = sc.nextInt();
		}
		if (num[0] < num[1]) {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} else {
			System.out.println("No");
		}
		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);
		int[] num = new int[3];
		for (int i = 0; i < 3; i++) {
			num[i] = sc.nextInt();
		}
		if (num[0] < num[1]) {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} else {
			System.out.println("No");
		}
		sc.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int[] num = new int[3]; num new int[3] 3 for (int i = 0; i < 3; i++) {
			num[i] = sc.nextInt();
		} int i = 0; int i = 0; i 0 i < 3 i 3 i++ i++ i {
			num[i] = sc.nextInt();
		} {
			num[i] = sc.nextInt();
		} num[i] = sc.nextInt() num[i] num i sc.nextInt() sc.nextInt sc if (num[0] < num[1]) {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} else {
			System.out.println("No");
		} num[0] < num[1] num[0] num 0 num[1] num 1 {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			} num[1] < num[2] num[1] num 1 num[2] num 2 {
				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" {
			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[] num = new int[3];
		for (int i = 0; i < 3; i++) {
			num[i] = sc.nextInt();
		}
		if (num[0] < num[1]) {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} else {
			System.out.println("No");
		}
		sc.close();
	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int[] num = new int[3];
		for (int i = 0; i < 3; i++) {
			num[i] = sc.nextInt();
		}
		if (num[0] < num[1]) {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} 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[] num = new int[3];
		for (int i = 0; i < 3; i++) {
			num[i] = sc.nextInt();
		}
		if (num[0] < num[1]) {
			if (num[1] < num[2]) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}

		} else {
			System.out.println("No");
		}
		sc.close();
	}

}
