'use strict';

function Main(INPUT) {
    const input = INPUT.split("\n")[0].split(" ");
    const A = parseInt(input[0], 10);
    const B = parseInt(input[1], 10);
    const C = parseInt(input[2], 10);
    if (C >= A && C <= B) {
        console.log("Yes");
    } else {
        console.log("No");
    }
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"));
