require 'date'

startDate = Date.new(1989, 1, 8)
endDate = Date.new(2019, 4, 30)

y, m, d = gets.chomp.split(' ').map(&:to_i)

date = Date.new(y, m, d)

if (startDate..endDate).cover?(date) then
  puts "Yes"
else
  puts "No"
end