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