#include<bits/stdc++.h>
using namespace std;
int main()
{
    int A,B,C;
    while(scanf("%d %d %d",&A,&B,&C)!=EOF)
    {
        if(C>=A && C<=B)
        {
            cout<<"Yes"<<endl;
        }
        else
        {
            cout<<"No"<<endl;


        }
    }
    return 0;
}