#include<iostream>
using namespace std;
int main(){
 int a ;
 int b;
 int c;
 -100<=a,b,c<=100;
 cin>>a;
 cin>>b;
 cin>>c;
 if (a<=c<=b){
  cout<<"yes"<<endl;
  else,
  cout<<"no"<<endl;
 }    
        return 0
        
        
        
        
        
}