#include<iostream> #include<iomanip> using namespace std; int main() { float a,b,c,d,x,f; cin>>x>>a>>b>>c>>d; f = ((a * x) * (a * x) * (a * x)) + ((b * x) * (b * x)) + (c * x) + d; cout<<setprecision(7)<<fixed<<f; }