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