#include<iostream>
#include<string>
#include<cstring>
using namespace std;
int main(){
    std::string s;
    std::getline(std::cin,s);
    int count=0;
    for (char c : s){
        char l=tolower(c);
        if(isalpha(l)&&!strchr("aeiou, l"))count++;
    }
    std::cout<<count;
    return 0;
}