#include<iostream>
#define pai 3.14

using namespace std;

bool isInbowl(double n, double r)
{
    double Circumference = 2 * pai * r;
    if (n >= Circumference)
    {
        return false;
    }
    else
    {
        return true;
    }
}

int main()
{
    double n, r;
    while (cin >> n >> r)
    {
        if (isInbowl(n, r) == true)
        {
            cout << "Yes" << endl;
        }
        else
        {
            cout << "No" << endl;
        }
    }
    return 0;
}