#include <bits/stdc++.h>

using namespace std;

long double f(long double x)
{
	return log(sin(1e-3 * x) * pow(x, 10.0) * log2(pow(x, pow(x, 0.02))));
}

signed main()
{
	cout << fixed << setprecision(10);
	long double best = 2866;
	long double l = 2865, r = 2867;
	while (r - l > 1e-8) {
	   double m1 = l + (r - l) / 3,
	      m2 = r - (r - l) / 3;
	   if (f (m1) < f (m2))
	      l = m1;
	   else
	      r = m2;
	}
	cout << l;
}