# include<iostream> using namespace std; int main(){ double b=0.0; int a[10]; for(int i=0;i<10;i++){ cin>>a[i]; } b+=28.9*a[0]; b+=32.7*a[1]; b+=45.6*a[2]; b+=78*a[3]; b+=35*a[4]; b+=86.2*a[5]; b+=27.8*a[6]; b+=43*a[7]; b+=56*a[8]; b+=65*a[9]; cout<<b; return 0; }