# require 'rspec'
# require_relative './agc034_a'
# 
# describe Agc034A do
#   context 'non_duplicated_zone_check' do
#     it 'All or Nothing' do
#       expect(Agc034A.non_duplicated_zone_check(0,9,'..........')).to be_truthy
#       expect(Agc034A.non_duplicated_zone_check(0,9,'.#########')).to be_falsey
#     end
#     it 'can not move' do
#       expect(Agc034A.non_duplicated_zone_check(0,9,'.##.......')).to be_falsey
#     end
#     it 'selected only one way' do
#       expect(Agc034A.non_duplicated_zone_check(0,10,'.#.#.#.#.#.')).to be_truthy
#     end
#   end
# 
#   context'duplicated_zone_check' do
#     context 'not need reverse' do
#       it 'All or Nothing' do
#         expect(Agc034A.duplicated_zone_check(0,11,'#..........#', false)).to be_truthy
#         expect(Agc034A.duplicated_zone_check(0,11,'#.########.#', false)).to be_falsey
#       end
#       it 'can not move' do
#         expect(Agc034A.duplicated_zone_check(0,11,'#.##.......#', false)).to be_falsey
#       end
#       it 'selected only one way' do
#         expect(Agc034A.duplicated_zone_check(0,12,'#.#.#.#.#.#.#', false)).to be_truthy
#       end
#       it 'can reverse order' do
#         expect(Agc034A.duplicated_zone_check(0,12,'#...#.#.#.#.#', false)).to be_truthy
#         expect(Agc034A.duplicated_zone_check(0,12,'#.#.#.#.#...#', false)).to be_truthy
#         expect(Agc034A.duplicated_zone_check(0,12,'#.#.#.#...#.#', false)).to be_truthy
#       end
#       it 'can not reverse order' do
#         expect(Agc034A.duplicated_zone_check(0,11,'#..#.#.#.#.#', false)).to be_truthy
#         expect(Agc034A.duplicated_zone_check(0,11,'#.#.#.#.#..#', false)).to be_truthy
#         expect(Agc034A.duplicated_zone_check(0,11,'#.#.#.#..#.#', false)).to be_truthy
#       end
#     end
# 
#     context 'need reverse' do
#       it 'All or Nothing' do
#         expect(Agc034A.duplicated_zone_check(0,11,'#..........#', true)).to be_truthy
#         expect(Agc034A.duplicated_zone_check(0,11,'#.##########', true)).to be_falsey
#       end
#       it 'can not move' do
#         expect(Agc034A.duplicated_zone_check(0,11,'#.##.......#', true)).to be_falsey
#       end
#       it 'selected only one way' do
#         expect(Agc034A.duplicated_zone_check(0,12,'#.#.#.#.#.#.#', true)).to be_falsey
#       end
#       it 'can reverse order' do
#         expect(Agc034A.duplicated_zone_check(0,12,'#...#.#.#.#.#', true)).to be_truthy
#         expect(Agc034A.duplicated_zone_check(0,12,'..#.#.#.#...#', true)).to be_truthy
#         expect(Agc034A.duplicated_zone_check(0,12,'#.#.#.#...#.#', true)).to be_truthy
#       end
#       it 'can not reverse order' do
#         expect(Agc034A.duplicated_zone_check(0,12,'#.#..#.#.#.#.#', true)).to be_falsey
#         expect(Agc034A.duplicated_zone_check(0,12,'..#.#.#.#.#..#', true)).to be_falsey
#         expect(Agc034A.duplicated_zone_check(0,12,'#.#.#.#.#..#.#', true)).to be_falsey
#       end
#     end
# 
#     context 'can reverse before start_i' do
#       it 'return true' do
#         expect(Agc034A.duplicated_zone_check(0,12,'...#.#.#..#.#', true)).to be_truthy
#       end
#     end
#     context 'can reverse after end_i' do
#       it 'return true' do
#         expect(Agc034A.duplicated_zone_check(0,12,'#..#..#..#...', true)).to be_truthy
#       end
#     end
#   end
# 
#   describe 'sample test' do
#     it 'sample 1' do
#       expect(Agc034A.calc(1,3,7,6, '.#..#..')).to be_falsey
#     end
#     it 'sample 2' do
#       expect(Agc034A.calc(1,3,15,13, '...#.#...#.#...')).to be_truthy
#     end
#   end
# end

class Agc034A
  def self.input()
    _, a, b, c, d = STDIN.gets.to_s.chomp.split(/ /)
    line_map = STDIN.gets()
    [a.to_i, b.to_i, c.to_i, d.to_i, line_map]
  end

  def self.output(result)
    puts (result ? "Yes": "No")
  end

  def self.non_duplicated_zone_check(start_i, end_i, line_map)
    part_of_line_map = line_map[start_i..end_i]
    line_map[start_i] == '.' && line_map[end_i] == '.' && !part_of_line_map.match(/##/)
  end

  def self.duplicated_zone_check(start_i, end_i, line_map, need_reverse)
    part_of_line_map = line_map[start_i..end_i]
    line_map[start_i + 1] == '.' && line_map[end_i - 1] == '.' && !part_of_line_map.match(/##/) &&
        (!need_reverse || !!part_of_line_map.match(/\.\.\./))
  end

  def self.have_duplicated_zone_calc(a,b,c,d,line_map)
    non_duplicated_zone_check([a,b].min,[a,b].max,line_map) &&
        non_duplicated_zone_check([c,d].min,[c,d].max,line_map) &&
        duplicated_zone_check([a,b].max - 1,[c,d].min + 1, line_map, d <= c)
  end

  def self.calc(a, b, c, d, line_map)
    a_i = a - 1
    b_i = b - 1
    c_i = c - 1
    d_i = d - 1
    return non_duplicated_zone_check(a_i,c_i,line_map) && non_duplicated_zone_check(b_i,d_i,line_map) if (c_i < b_i)
    return have_duplicated_zone_calc(a_i, b_i, c_i, d_i,line_map)
  end

  def self.main()
    a, b, c, d, line_map = input()
    result = calc(a,b,c,d,line_map)
    output(result)
  end
end

if __FILE__ == $0
  Agc034A.main
  exit
end

Measured memory_bytes: 4220