const main = stdin => {
  const input = stdin.trim().split('\n')
  const [a, b, c] = input[0].split(' ').map(x => parseInt(x))

  if (c >= a && c <= b) {
    console.log('Yes')
  } else {
    console.log('No')
  }
}
// 標準入力
main(require("fs").readFileSync("/dev/stdin", "utf8"))
