import java.util.Scanner;
class Main{

	public static void main(String[] args){
Scanner sc = new Scanner(System.in);

int a;
int b;
int c;
int hantei = 0;

a = sc.nextInt();
b = sc.nextInt();
c = sc.nextInt();

if(a<b){
	hantei++;
}else{
	hantei = 0;
}

if(a<c){
	hantei++;
}else{
	hantei = 0;
}

if(b<c){
	hantei++;
}else{
	hantei = 0;
}
if(hantei==3){
	System.out.println("Yes");
}else{
	System.out.println("No");
}

    }
} import java.util.Scanner; Scanner java.util class Main{

	public static void main(String[] args){
Scanner sc = new Scanner(System.in);

int a;
int b;
int c;
int hantei = 0;

a = sc.nextInt();
b = sc.nextInt();
c = sc.nextInt();

if(a<b){
	hantei++;
}else{
	hantei = 0;
}

if(a<c){
	hantei++;
}else{
	hantei = 0;
}

if(b<c){
	hantei++;
}else{
	hantei = 0;
}
if(hantei==3){
	System.out.println("Yes");
}else{
	System.out.println("No");
}

    }
} Main public static void main(String[] args){
Scanner sc = new Scanner(System.in);

int a;
int b;
int c;
int hantei = 0;

a = sc.nextInt();
b = sc.nextInt();
c = sc.nextInt();

if(a<b){
	hantei++;
}else{
	hantei = 0;
}

if(a<c){
	hantei++;
}else{
	hantei = 0;
}

if(b<c){
	hantei++;
}else{
	hantei = 0;
}
if(hantei==3){
	System.out.println("Yes");
}else{
	System.out.println("No");
}

    } main {
Scanner sc = new Scanner(System.in);

int a;
int b;
int c;
int hantei = 0;

a = sc.nextInt();
b = sc.nextInt();
c = sc.nextInt();

if(a<b){
	hantei++;
}else{
	hantei = 0;
}

if(a<c){
	hantei++;
}else{
	hantei = 0;
}

if(b<c){
	hantei++;
}else{
	hantei = 0;
}
if(hantei==3){
	System.out.println("Yes");
}else{
	System.out.println("No");
}

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a; a int b; b int c; c int hantei = 0; hantei 0 a = sc.nextInt() a sc.nextInt() sc.nextInt sc b = sc.nextInt() b sc.nextInt() sc.nextInt sc c = sc.nextInt() c sc.nextInt() sc.nextInt sc if(a<b){
	hantei++;
}else{
	hantei = 0;
} a<b a b {
	hantei++;
} hantei++ hantei {
	hantei = 0;
} hantei = 0 hantei 0 if(a<c){
	hantei++;
}else{
	hantei = 0;
} a<c a c {
	hantei++;
} hantei++ hantei {
	hantei = 0;
} hantei = 0 hantei 0 if(b<c){
	hantei++;
}else{
	hantei = 0;
} b<c b c {
	hantei++;
} hantei++ hantei {
	hantei = 0;
} hantei = 0 hantei 0 if(hantei==3){
	System.out.println("Yes");
}else{
	System.out.println("No");
} hantei==3 hantei 3 {
	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.util.Scanner;
class Main{

	public static void main(String[] args){
Scanner sc = new Scanner(System.in);

int a;
int b;
int c;
int hantei = 0;

a = sc.nextInt();
b = sc.nextInt();
c = sc.nextInt();

if(a<b){
	hantei++;
}else{
	hantei = 0;
}

if(a<c){
	hantei++;
}else{
	hantei = 0;
}

if(b<c){
	hantei++;
}else{
	hantei = 0;
}
if(hantei==3){
	System.out.println("Yes");
}else{
	System.out.println("No");
}

    }
}