#include <iostream>
using namespace std;
int main(){
double y,Yc,x,Xc,R1,R2;
Xc = 0; // координаты центров окружностей
Yc = 0;
R1 = 4;
R2 = 5;
cin >> x >> y;
cout << ((x >= 0 && ((y > 0 && ((y - Yc)*(y - Yc) + (x - Xc)*(x - Xc)) <= R1*R1) ||
(y <= 0 && ((y - Yc)*(y - Yc) + (x - Xc)*(x - Xc)) <= R2*R2)))? "Принадлежит" : "Не принадлежит");
return 0;
}
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