#include <bits/stdc++.h>
using namespace std;

int main()
{
	int N, a, b, c;
	cin >> N >> a >> b >> c;
	
	if(b < a)
	{
		c += N;
		if(c - a + 1 <= N)
		{
			cout << "Yes" << endl;
			return 0;
		}
	}
	else
	{
		a += N;
		b += N;
		if(a - c + 1 <= N)
		{
			cout << "Yes" << endl;
			return 0;
		}
	}
	cout << "No" << endl;
	return 0;
}