public class Main {
public static void main(String[] args){
	
	String[] input = new java.util.Scanner ( System.in ). nextLine().split(" ");
	int a = Integer.parseInt(input[0]);
	int b = Integer.parseInt(input[1]);
	int c = Integer.parseInt(input[2]);
	if (a < b && b < c)
		System.out.println("Yes");
	else
		System.out.println("No");
	
	
	
}
} public class Main {
public static void main(String[] args){
	
	String[] input = new java.util.Scanner ( System.in ). nextLine().split(" ");
	int a = Integer.parseInt(input[0]);
	int b = Integer.parseInt(input[1]);
	int c = Integer.parseInt(input[2]);
	if (a < b && b < c)
		System.out.println("Yes");
	else
		System.out.println("No");
	
	
	
}
} Main public static void main(String[] args){
	
	String[] input = new java.util.Scanner ( System.in ). nextLine().split(" ");
	int a = Integer.parseInt(input[0]);
	int b = Integer.parseInt(input[1]);
	int c = Integer.parseInt(input[2]);
	if (a < b && b < c)
		System.out.println("Yes");
	else
		System.out.println("No");
	
	
	
} main {
	
	String[] input = new java.util.Scanner ( System.in ). nextLine().split(" ");
	int a = Integer.parseInt(input[0]);
	int b = Integer.parseInt(input[1]);
	int c = Integer.parseInt(input[2]);
	if (a < b && b < c)
		System.out.println("Yes");
	else
		System.out.println("No");
	
	
	
} String[] input = new java.util.Scanner ( System.in ). nextLine().split(" "); input new java.util.Scanner ( System.in ). nextLine().split(" ") new java.util.Scanner ( System.in ). nextLine().split new java.util.Scanner ( System.in ). nextLine() new java.util.Scanner ( System.in ). nextLine new java.util.Scanner ( System.in ) " " int a = Integer.parseInt(input[0]); a Integer.parseInt(input[0]) Integer.parseInt Integer input[0] input 0 int b = Integer.parseInt(input[1]); b Integer.parseInt(input[1]) Integer.parseInt Integer input[1] input 1 int c = Integer.parseInt(input[2]); c Integer.parseInt(input[2]) Integer.parseInt Integer input[2] input 2 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 System.out System System.out "Yes" 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){
	
	String[] input = new java.util.Scanner ( System.in ). nextLine().split(" ");
	int a = Integer.parseInt(input[0]);
	int b = Integer.parseInt(input[1]);
	int c = Integer.parseInt(input[2]);
	if (a < b && b < c)
		System.out.println("Yes");
	else
		System.out.println("No");
	
	
	
}
} public class Main {
public static void main(String[] args){
	
	String[] input = new java.util.Scanner ( System.in ). nextLine().split(" ");
	int a = Integer.parseInt(input[0]);
	int b = Integer.parseInt(input[1]);
	int c = Integer.parseInt(input[2]);
	if (a < b && b < c)
		System.out.println("Yes");
	else
		System.out.println("No");
	
	
	
}
} Main
public class Main {
public static void main(String[] args){
	
	String[] input = new java.util.Scanner ( System.in ). nextLine().split(" ");
	int a = Integer.parseInt(input[0]);
	int b = Integer.parseInt(input[1]);
	int c = Integer.parseInt(input[2]);
	if (a < b && b < c)
		System.out.println("Yes");
	else
		System.out.println("No");
	
	
	
}
}