#include using namespace std; using uint = unsigned int; using ll = long long; using ull = unsigned long long; template using V = vector; template using VV = V>; template using VVV = V>; template using VVVV = VV>; #define rep(i,n) for(ll i=0ll;i bool chmin(T& t, const U& u) { if (t > u){ t = u; return 1;} return 0; } template bool chmax(T& t, const U& u) { if (t < u){ t = u; return 1;} return 0; } void solve(){ ll p,q; cin >> p >> q; long double L = 1.0, R = 100000000000; rep(i, 300){ long double mid = (L+R)/2; long double a = 1.0*p/mid + 1.0*q*log2(mid); if(mid <= a) L = mid; else R = mid; } dout(); cout << L << endl; } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int t=1; // cin >> t; rep(i,t) solve(); }