#include<iostrem>
#include<string>
#include<cctype>
using namespace std;
int main(){
    string s;
    getline(cin,s);
    int count =0;
    for(char ch :s){
        if(isalpha(ch)){
            ch=tolower(ch);
            if(ch!='a' && ch!='e' && ch!='i' && ch!='o' && ch!='u' ){
                count++;
            }
        }
    }
    count<<count;
    return 0;
}