// Q1
import java.io.*;
import java.lang.Integer;
public class Main {
	public static void main(String[] args) {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		}
	}
} import java.io.*; io.* java import java.lang.Integer; Integer java.lang public class Main {
	public static void main(String[] args) {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		}
	}
} Main public static void main(String[] args) {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		}
	} main {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		}
	} try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		} IOException e {
			System.out.println("??¨??????????????????????????????");
		} System.out.println("??¨??????????????????????????????") System.out.println System.out System System.out "??¨??????????????????????????????" {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)) BufferedReader br = new BufferedReader(new InputStreamReader(System.in)) new BufferedReader(new InputStreamReader(System.in)) String in  = br.readLine() ; in br.readLine() br.readLine br String[] numStr = in.split(" "); numStr in.split(" ") in.split in " " int[] num = new int[4]; num new int[4] 4 num[0] = Integer.parseInt(numStr[0]) num[0] num 0 Integer.parseInt(numStr[0]) Integer.parseInt Integer numStr[0] numStr 0 num[1] = Integer.parseInt(numStr[1]) num[1] num 1 Integer.parseInt(numStr[1]) Integer.parseInt Integer numStr[1] numStr 1 num[2] = Integer.parseInt(numStr[2]) num[2] num 2 Integer.parseInt(numStr[2]) Integer.parseInt Integer numStr[2] numStr 2 if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} num[0] < num[1] && num[1] < num[2] num[0] < num[1] num[0] num 0 num[1] num 1 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" String[] args args public class Main {
	public static void main(String[] args) {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		}
	}
} public class Main {
	public static void main(String[] args) {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		}
	}
} Main
// Q1
import java.io.*;
import java.lang.Integer;
public class Main {
	public static void main(String[] args) {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			String in  = br.readLine() ;
			String[] numStr = in.split(" ");
			int[] num = new int[4];
			num[0] = Integer.parseInt(numStr[0]);
			num[1] = Integer.parseInt(numStr[1]);
			num[2] = Integer.parseInt(numStr[2]);
			if ( num[0] < num[1] && num[1] < num[2] ) {
				System.out.println( "Yes");
			} else  {
				System.out.println( "No");
			} 
		} catch ( IOException e ) {
			System.out.println("??¨??????????????????????????????");
		}
	}
}