import java.io.*;
class Main{
	public static void main(String[] args) throws IOException {
		int i;
		int[] n = new int[5];
		String[] str = new String[5];
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		str = in.readLine().split(" ");
		for(i=0;i<3;i++)
			n[i] = Integer.parseInt(str[i]);
		System.out.println((n[0]<n[1] && n[1]<n[2]) ? "Yes" : "No");
	}
} import java.io.*; io.* java class Main{
	public static void main(String[] args) throws IOException {
		int i;
		int[] n = new int[5];
		String[] str = new String[5];
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		str = in.readLine().split(" ");
		for(i=0;i<3;i++)
			n[i] = Integer.parseInt(str[i]);
		System.out.println((n[0]<n[1] && n[1]<n[2]) ? "Yes" : "No");
	}
} Main public static void main(String[] args) throws IOException {
		int i;
		int[] n = new int[5];
		String[] str = new String[5];
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		str = in.readLine().split(" ");
		for(i=0;i<3;i++)
			n[i] = Integer.parseInt(str[i]);
		System.out.println((n[0]<n[1] && n[1]<n[2]) ? "Yes" : "No");
	} main {
		int i;
		int[] n = new int[5];
		String[] str = new String[5];
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		str = in.readLine().split(" ");
		for(i=0;i<3;i++)
			n[i] = Integer.parseInt(str[i]);
		System.out.println((n[0]<n[1] && n[1]<n[2]) ? "Yes" : "No");
	} int i; i int[] n = new int[5]; n new int[5] 5 String[] str = new String[5]; str new String[5] 5 BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); in new BufferedReader(new InputStreamReader(System.in)) str = in.readLine().split(" ") str in.readLine().split(" ") in.readLine().split in.readLine() in.readLine in " " for(i=0;i<3;i++)
			n[i] = Integer.parseInt(str[i]); i=0; i=0 i 0 i<3 i 3 i++ i++ i n[i] = Integer.parseInt(str[i]); n[i] = Integer.parseInt(str[i]) n[i] n i Integer.parseInt(str[i]) Integer.parseInt Integer str[i] str i System.out.println((n[0]<n[1] && n[1]<n[2]) ? "Yes" : "No") System.out.println System.out System System.out (n[0]<n[1] && n[1]<n[2]) ? "Yes" : "No" (n[0]<n[1] && n[1]<n[2]) n[0]<n[1] n[0] n 0 n[1] n 1 n[1]<n[2] n[1] n 1 n[2] n 2 "Yes" "No" String[] args args
import java.io.*;
class Main{
	public static void main(String[] args) throws IOException {
		int i;
		int[] n = new int[5];
		String[] str = new String[5];
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		str = in.readLine().split(" ");
		for(i=0;i<3;i++)
			n[i] = Integer.parseInt(str[i]);
		System.out.println((n[0]<n[1] && n[1]<n[2]) ? "Yes" : "No");
	}
}