#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int x,a,b,c,d; cin>>x>>a>>b>>c>>d; scanf("%.5lf",a*x^3+b*x^2+c*x+d); return 0; }