#include<iostream> using namespace std; int main(){ int i[11]; double b; for(int a=1;a<=10;a++) cin>>i[a]; b+=i[1]*28.9; b+=i[2]*32.7; b+=i[3]*45.6; b+=i[4]*78; b+=i[5]*35; b+=i[6]*86.2; b+=i[7]*27.8; b+=i[8]*43; b+=i[9]*56; b+=i[10]*65; cout<<b; return 0; }