#include<iostream> using namespace std; int main(){ int a[100]; double c; for(int i=0;i<10;i++){ cin>>a[i]; } c+=a[0]*28.9; c+=a[1]*32.7; c+=a[2]*45.6; c+=a[3]*78; c+=a[4]*35; c+=a[5]*86.2; c+=a[6]*27.8; c+=a[7]*43; c+=a[8]*56; c+=a[9]*65; cout<<c; return 0; }