import java.io.*;
 
class Main{
    public static void main(String[] args) throws IOException{
     
        int x,y,z;
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str[] = br.readLine().split(" ");
        x = Integer.parseInt(str[0]);
        y = Integer.parseInt(str[1]);
	z = Integer.parseInt(str[2]);

	if(x<y && y<z){
        	System.out.println("Yes");

	}else{
		System.out.println("No");
	}
    }
} import java.io.*; io.* java class Main{
    public static void main(String[] args) throws IOException{
     
        int x,y,z;
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str[] = br.readLine().split(" ");
        x = Integer.parseInt(str[0]);
        y = Integer.parseInt(str[1]);
	z = Integer.parseInt(str[2]);

	if(x<y && y<z){
        	System.out.println("Yes");

	}else{
		System.out.println("No");
	}
    }
} Main public static void main(String[] args) throws IOException{
     
        int x,y,z;
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str[] = br.readLine().split(" ");
        x = Integer.parseInt(str[0]);
        y = Integer.parseInt(str[1]);
	z = Integer.parseInt(str[2]);

	if(x<y && y<z){
        	System.out.println("Yes");

	}else{
		System.out.println("No");
	}
    } main {
     
        int x,y,z;
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str[] = br.readLine().split(" ");
        x = Integer.parseInt(str[0]);
        y = Integer.parseInt(str[1]);
	z = Integer.parseInt(str[2]);

	if(x<y && y<z){
        	System.out.println("Yes");

	}else{
		System.out.println("No");
	}
    } int x x y y z; z BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String str[] = br.readLine().split(" "); str br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " x = Integer.parseInt(str[0]) x Integer.parseInt(str[0]) Integer.parseInt Integer str[0] str 0 y = Integer.parseInt(str[1]) y Integer.parseInt(str[1]) Integer.parseInt Integer str[1] str 1 z = Integer.parseInt(str[2]) z Integer.parseInt(str[2]) Integer.parseInt Integer str[2] str 2 if(x<y && y<z){
        	System.out.println("Yes");

	}else{
		System.out.println("No");
	} x<y && y<z x<y x y y<z y z {
        	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
import java.io.*;
 
class Main{
    public static void main(String[] args) throws IOException{
     
        int x,y,z;
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str[] = br.readLine().split(" ");
        x = Integer.parseInt(str[0]);
        y = Integer.parseInt(str[1]);
	z = Integer.parseInt(str[2]);

	if(x<y && y<z){
        	System.out.println("Yes");

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