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#include<cstdio>
#include<algorithm>
#include<string>
#include<iostream>

using namespace std;
string s;
bool samo(int a){
    char ch = s[a];
    if(ch == 'a' || ch == 'e' || ch =='y' || ch == 'u' || ch=='o' || ch=='i'){
        return true;
    }
    return false;
}

bool spr(int a){
    if(samo(a) == samo(a-1)&& samo(a) == samo(a-2)){
        return true;
    }
    return false;
}

int main(void){
cin.tie();
ios_base::sync_with_stdio(0);
cin >> s;
long long ost = -1;
long long odp = 0;
for(int i = 2; i<s.size();i++){
   if(spr(i)){
        ost = i-2;
   }
   if(ost > -1){
        odp += ost+1;
   }

}
printf("%lld",odp);

return 0;
}