C++ :

#include<bits/stdc++.h>
using namespace std;
string s;
int ans;
int main()
{
//	freopen("689.in","r",stdin);
//	freopen("689.out","w",stdout);	
	cin>>s;
	for(int i=0;i<s.size();i++)
	{
		int x=s[i]-97;
		ans+=x*2+1;
	}
	cout<<ans;
    return 0;
}