import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		try(Scanner sc = new Scanner(System.in)){
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							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) {
		try(Scanner sc = new Scanner(System.in)){
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			}
		}
	}
} Main public static void main(String[] args) {
		try(Scanner sc = new Scanner(System.in)){
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			}
		}
	} main {
		try(Scanner sc = new Scanner(System.in)){
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			}
		}
	} try(Scanner sc = new Scanner(System.in)){
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			}
		} {
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			}
		} Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) 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 if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			} a >=0 && a <= 100 a >=0 a 0 a <= 100 a 100 {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			} if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				} b >=0 && b <= 100 b >=0 b 0 b <= 100 b 100 {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				} if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					} c >=0 && c <= 100 c >=0 c 0 c <= 100 c 100 {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					} if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						} a < b && b < c a < b a b b < c b c {
							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) {
		try(Scanner sc = new Scanner(System.in)){
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			}
		}
	}
} public class Main {

	public static void main(String[] args) {
		try(Scanner sc = new Scanner(System.in)){
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			}
		}
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		try(Scanner sc = new Scanner(System.in)){
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			
			if(a >=0 && a <= 100) {
				if(b >=0 && b <= 100) {
					if(c >=0 && c <= 100) {
						if(a < b && b < c) {
							System.out.println("Yes");
						} else {
							System.out.println("No");
						}
					}
				}
			}
		}
	}
}