#include "iostream"
#include "cmath"
using namespace std;
int main() {
	
	setlocale(LC_ALL, "rus");
	double x,y; 
	cout<<"Ââåäèòå êîîðäèíàòû ÷åðåç ïðîáåë: "; 
	cin>>x>>y; 
	x=abs(x);
	if(y <= 10-2*x and y>=2 or x <= 1 and y >= -1 and y<=2){
		cout << "Yes" << endl;
	}
	else
		cout << "No" << endl;
	
	return 0;
}