#include <iostream>
#include <cstdio>
#include <math.h>
#include <cstring>
#define ll long long

using namespace std;

int main()
{
    ll int i,a,b,c;
    cin>>a>>b>>c;
    if(a>c || b<c)
        cout<<"No"<<endl;
    else
        cout<<"Yes"<<endl;
    return 0;
}

