#include #include #include #include #include #include #include #include using namespace std; const int INF = 0x3f3f3f3f; const int N = 1e4 + 10; double a[21] = {0 , 28.9 , 32.7 , 45.6 , 78 , 35 , 86.2 , 27.8 , 43 , 56 , 65} , sum , n; int main() { for (int i = 1;i <= 10;i++) { cin >> n; sum = sum + a[i] * n; } cout << sum; return 0; }