function Main(input) {
  var inputs = input.split(' '),
    len = inputs.length
  var N, K
  if (len > 2 || len === 0) {
    console.log('NO')
    return
  }
  for (var i = 0; i < len; i++) {
    if (inputs[i].indexOf('.') !== -1) console.log('NO')
    return
  }
  try {
    N = parseInt(inputs[0], 10)
    K = parseInt(inputs[1], 10)
  } catch (e) {
    console.log('NO')
    return
  }
  if (N > K) {
    console.log('YES')
    return
  }
  console.log('NO')
  return
}