import sequtils, strutils

var y, m, d: int
(y, m, d) = stdin.readLine.split.map parseInt

let b =
  if y == 1989:
    if m == 1: d >= 8 else: true
  elif y == 2019:
    if m == 4: d == 30
    else: m < 4
  else: y > 1989 and y < 2019

echo ["No", "Yes"][ord b]