#include<bits/stdc++.h> using namespace std; int main() { double x,a,b,c,d; scanf("%lf %lf %lf %lf %lf",&x,&a,&b,&c,&d); double ans=(1.0apow(x,3.0))+(1.0bpow(x,2.0))+(1.0cx)+d; printf("%.7lf",ans); return 0; }