#include<iostream>
#include<cstdio>
#include<cstring>
#include<vector>
using namespace std;
string s;
long long ans;
int a[]={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};
int main(){
	getline(cin,s);
	for(char i:s){
		if(i>='a' and i<='z'){
			ans+=a[i-'a'];
		}
		else ans++;
	}
	printf("%lld",ans);
	return 0;
}

大佬们帮忙看看thx