#include<bits/stdc++.h>
using namespace std;
const int N=2e5+10;
char st[N];
signed main()
{
	int n,a,b,c,d;cin>>n>>a>>b>>c>>d;
	scanf("%s",st+1);
	for(int i=a;i<c;i++)if(st[i]=='#'&&st[i+1]=='#')
	{
		cout<<"No";
		return 0;
	}
	for(int i=b;i<d;i++)if(st[i]=='#'&&st[i+1]=='#')
	{
		cout<<"No";
		return 0;
	}
	if(c>d)
	{
		for(int i=b-1;i<d;i++)if(st[i]=='.'&&st[i+1]=='.'&&st[i+2]=='.')
		{
			cout<<"Yes";
			return 0;
		}
		cout<<"No";
		return 0;
	}
	cout<<"Yes";
	return 0;
}