#include<iostream> using namespace std; int main(){ float a,b,c,d,e,f,g,h,i,j,m; cin>>a>>b>>c>>d>>e>>f>>g>>h>>i>>j; a=a*28.9; b=32.7*b; c=45.6*c; d=d*78; e=e*35; f=f*86.2; g=g*27.8; h=h*43; i=i*56; j=j*65; m=a+b+c+d+e+f+g+h+i+j; cout<<m; return 0; }