Write a program which reads three integers a, b and c, and prints "Yes" if a < b < c, otherwise "No".

Constraints

* 0 ≤ a, b, c ≤ 100

Input

Three integers a, b and c separated by a single space are given in a line.

Output

Print "Yes" or "No" in a line.

Examples

Input

1 3 8


Output

Yes


Input

3 8 1


Output

No
#include<iostream> 
using namespace std; 
int main(){ 
 int a,d,c;
 cin>>a>>d>>c;
 if(a<d && d<c){
  cout<<"Yes"<<endl;
 }else{
  cout<<"No"<<endl;
 }
 
  return 0; 
}