const main = (inputs) => {
  var array = inputs[0].split(" ");
  var array2 = inputs[1].split(" ");

  var K = Number(array);
  var A = Number(array2[0]);
  var B = Number(array2[1]);


  var num = K * Math.floor(B / K)


  if (num >= A && num <= B) {
    console.log('Yes');
  } else {
    console.log('No');
  }

}
main(require('fs').readFileSync('/dev/stdin', 'UTF-8').trim().split("\n"));