#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define endl '\n'
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define rep2(i,a,b) for(int i=int(a);i<int(b);i++)
#define pb emplace_back
#define all(x) (x).begin(),(x).end()
ll mod=1e9+7;
ll mod2=998244353;
const int INF=1e9;

signed main(){
	ll n,a,b,c,d;
	cin>>n>>a>>b>>c>>d;
	a--;
	b--;
	c--;
	d--;
	string s;
	cin>>s;
	rep2(i,min(a,b),max(c,d)-1){
		if(s[i]=='#'&&s[i+1]=='#'){
			cout<<"No"<<endl;
			return 0;
		}
	}

	if(a<b==c<d){
		cout<<"Yes"<<endl;
		return 0;
	}

	bool f=false;
	if(s[max(a,b)+1]=='.'&&s[max(a,b)-1]=='.')f=true;
	if(s[min(c,d)+1]=='.'&&s[min(c,d)-1]=='.')f=true;
	rep2(i,max(a,b),min(c,d)-1){
		if(s[i]=='.'&&s[i+1]=='.'&&s[i+2]=='.')f=true;
	}
	if(f)cout<<"Yes"<<endl;
	else cout<<"No"<<endl;
}


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