#include <iostream>
#include <string>

using namespace std;

int main()
{string s;
 int o=0;
 getline(cin, s);
 string b1 = "adgjmpsvy. ";
 string b2 = "behknqtwz,";
 string b3 = "cfilorux!";
 for (int k=0; k<s.size();k++)
    {
        if (b1.find(s[k]) != string::npos)
            o++;
        if (b2.find(s[k]) != string::npos)
            o+=2;
        if (b3.find(s[k]) != string::npos)
            o+=3;
    }
    cout<<o;
return 0;
}