n, a, b, c, d = gets.chomp.split.map(&:to_i)
s = gets.chomp
if s[b..d-2].include?("##") || s[a..c-2].include?("##")
  puts "No"
  exit
end
if c < d
  puts "Yes"
else
  if s[b-2..d].include?("...")
    puts "Yes"
    exit
  end
  puts "No"
end
