#define _CRT_SECURE_NO_WARNINGS

	#include <iostream>
	using namespace std;

	int main() {
		setlocale(LC_ALL, "Russian");
		float x, y;
		scanf("%f %f", &x, &y);
		if (x * x + y * y <= 4 && x * x + y * y >=1) {
			printf("YES");
		}
		else {
			printf("NO");
		}
		return 0;
	}