y, m, d = gets.split.map(&:to_i)
if y < 1989
    puts "No"
elsif y == 1989
    if m == 1 && d >= 8
        puts "Yes"
    else
        puts "No"
    end
elsif y < 2019
    puts "Yes"
elsif y == 2019
    if m < 5
        puts "Yes"
    else
        puts "No"
    end
else
    puts "No"
end