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

int main()
{
	int N, a, b, c;
	cin >> N >> a >> b >> c;
	
	string ans = "No";
	if( a < b ) {
		int l = a + N - c + 1;
		if( l <= N ) ans = "Yes";
	}
	else {
		int l = c + N - a + 1;
		if( l <= N ) ans = "Yes";
	}

	cout << ans << endl;
}