#include<iostream>
using namespace std;
int main(){
    string s;
    getline(cin,s);
    int count = 0;
    for(char c: s){
        if(isalpha(c)&&!(c=='a'||c=='e'||c=='i'||c=='o'||c=='u'||c=='A'||c=='E'||c=='I'||c='O'||c='U'))
        count ++;
    }
    count<<count;
    return 0;
}