#input of int(split by space)
def get_i()
  return gets.chomp.split(" ").map(&:to_i)
end
#input of float(split by space)
def get_f()
  return gets.chomp.split(" ").map(&:to_f)
end
#input of string(split by space)
def get()
  return gets.chomp.split(" ")
end
#input of string(split per one character)
def get_nsp()
  return gets.chomp.split("")
end
#yes or no decision
def yn_judge(bool,y="Yes",n="No")
  return bool ? y : n 
end
#create of array
def array(size1,init=nil,size2=-1)
  if size2==-1
    return Array.new(size1){init}
  else
    return Array.new(size2){Array.new(size1){init}}
  end
end

def max(a,b)
    return a>b ? a : b
end

def min(a,b)
    return a>b ? b : a
end

INF=Float::INFINITY

N,a,b,c,d=get_i
S=get_nsp
flag=true
(a-1).upto(max(c,d)-2) do|i|
    if S[i]=="#" and S[i]==S[i+1]
        flag=false
        break
    end
end
unless flag
    puts "No"
    exit
end
if c<d
    puts "Yes"
else
    flag=false
    (b-1).upto(min(d-2,N-1)) do|i|
        if S[i]=="." and S[i]==S[i-1] and S[i]==S[i+1]
            flag=true
            break
        end
    end 
    puts yn_judge(flag)
end