include<bits/stdc++.h>

using namespace std;

int main() {

int n;
cin>>n;
int sum = 0;
for(int i = 0;i<n;i++)
{
	int x;
	cin>>x;
	if(i==0)sum+=x;
	if(x==1||x==2)sum+=18;
	if(x==3||x==4)sum+=14;
	if(x==5||x==6)sum+=10;
}
cout<<sum;
return 0;

}