"use strict";

const main = arg => {
    const A = parseInt(arg.split("\n")[0].split(" ")[0]);
    const B = parseInt(arg.split("\n")[0].split(" ")[1]);
    const C = parseInt(arg.split("\n")[0].split(" ")[2]);
    console.log(A <= C && C <= B ? "Yes" : "No");
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));