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