#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s;
	getline(cin,s);
	string a1={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','t','u','v','w','x','y','z'};
	int a[26]={1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,4,1,2,3,1,2,3,4},ans=0;
	for(int i=0;i<s.size();i++){
		for(int j=0;j<26;j++){
			if(s[i]==a1[j]){
				ans+=a[j];
			}
		}
	}
	cout<<ans;
	return 0;
}

暴力吗？