function Main(input){
  input = input.split(' ');
  var a = Number(input[0]);
  var b = Number(input[1]);
  var c = Number(input[2]);

  if( c <= b && c >= a) {
    console.log('Yes');
  } else {
      console.log('No');
  }

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