import std.stdio,
       std.conv,
       std.string,
       std.range,
       std.math,
       std.algorithm;

void main()
{
    auto input = readln.split.to!(real[]);
    auto p = input[0], q = input[1];

    auto P1 = (1 - p) * q;
    auto P2 = p * (1 - q) * q;
    (P1 < P2 ? "YES" : "NO").writeln;
}