代码:

#include<bits/stdc++.h>
using namespace std;
int main(){
	int ans=0,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};
	string b;
	getline(cin,b);
	for(int i=0;i<b.size();i++){
		if(b[i]==' ') ans++;
		else ans+=a[b[i]-97];
	}
	cout<<ans<<endl;
}