'use strict'

main()

function main (input) {
  readInput()
  .then(parseInput)
  .then(calc)
}

function calc (input) {
  let a = input[0]
  let b = input[1]
  let c = input[2]
  let ok = c >= a && c <= b
  let answer = ok ? 'Yes' : 'No'
  console.log(answer)
}

function parseInput (inputRaw) {
  let input = inputRaw.split(' ')
  return input
}

function readInput () {
  return new Promise((resolve) => {
    let inputArr = []
    process.stdin.resume()
    process.stdin.setEncoding('utf8')
    process.stdin.on('data', (chunk) => {
      inputArr.push(chunk)
    })
    process.stdin.on('end', () => {
      let input = inputArr.join('').trim()
      resolve(input)
    })
  })
}
