import sequtils, strutils

let read = iterator: string {.closure.} =
  while true:
    for s in stdin.readLine.split: yield s

proc readInt: int = read().parseInt

let Y, M, D = readInt()

if Y > 1989 and Y < 2019:
  echo "Yes"
elif Y == 1989 and ((M == 1 and D >= 8) or M >= 2):
  echo "Yes"
elif Y == 2019 and ((M == 4 and D <= 30) or M < 4):
  echo "Yes"
else:
  echo "No"