"use strict";
const Main = (input) =>{
	let xs = input.trim().split(' ').map(v=>parseInt(v,10));
    if(xs[0] <= xs[2] && xs[1] >= xs[2]){
    console.log('Yes');
    } else {
    console.log('No');
    }
}
Main(require('fs').readFileSync('/dev/stdin','utf8'));