import java.util.Scanner;
class Main{
public static void main (String[] args){
Scanner scan = new Scanner(System.in);
int a=scan.nextInt();
int b=scan.nextInt();
int c=scan.nextInt();
if(a==b||b==c||a==c){
System.out.println("No");
}else if(a>b||a>c){
System.out.println("No");
}else if(b>c){
System.out.println("No");
}else{
System.out.println("Yes");
}
}
} import java.util.Scanner; Scanner java.util class Main{
public static void main (String[] args){
Scanner scan = new Scanner(System.in);
int a=scan.nextInt();
int b=scan.nextInt();
int c=scan.nextInt();
if(a==b||b==c||a==c){
System.out.println("No");
}else if(a>b||a>c){
System.out.println("No");
}else if(b>c){
System.out.println("No");
}else{
System.out.println("Yes");
}
}
} Main public static void main (String[] args){
Scanner scan = new Scanner(System.in);
int a=scan.nextInt();
int b=scan.nextInt();
int c=scan.nextInt();
if(a==b||b==c||a==c){
System.out.println("No");
}else if(a>b||a>c){
System.out.println("No");
}else if(b>c){
System.out.println("No");
}else{
System.out.println("Yes");
}
} main {
Scanner scan = new Scanner(System.in);
int a=scan.nextInt();
int b=scan.nextInt();
int c=scan.nextInt();
if(a==b||b==c||a==c){
System.out.println("No");
}else if(a>b||a>c){
System.out.println("No");
}else if(b>c){
System.out.println("No");
}else{
System.out.println("Yes");
}
} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a=scan.nextInt(); a scan.nextInt() scan.nextInt scan int b=scan.nextInt(); b scan.nextInt() scan.nextInt scan int c=scan.nextInt(); c scan.nextInt() scan.nextInt scan if(a==b||b==c||a==c){
System.out.println("No");
}else if(a>b||a>c){
System.out.println("No");
}else if(b>c){
System.out.println("No");
}else{
System.out.println("Yes");
} a==b||b==c||a==c a==b||b==c||a==c a==b a b b==c b c a==c a c {
System.out.println("No");
} System.out.println("No") System.out.println System.out System System.out "No" if(a>b||a>c){
System.out.println("No");
}else if(b>c){
System.out.println("No");
}else{
System.out.println("Yes");
} a>b||a>c a>b a b a>c a c {
System.out.println("No");
} System.out.println("No") System.out.println System.out System System.out "No" if(b>c){
System.out.println("No");
}else{
System.out.println("Yes");
} b>c b c {
System.out.println("No");
} System.out.println("No") System.out.println System.out System System.out "No" {
System.out.println("Yes");
} System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args
import java.util.Scanner;
class Main{
public static void main (String[] args){
Scanner scan = new Scanner(System.in);
int a=scan.nextInt();
int b=scan.nextInt();
int c=scan.nextInt();
if(a==b||b==c||a==c){
System.out.println("No");
}else if(a>b||a>c){
System.out.println("No");
}else if(b>c){
System.out.println("No");
}else{
System.out.println("Yes");
}
}
}