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#include <cstdio>
#include <cstring>
using namespace std;

bool v(char c) {
  return c == 'a' || c == 'e' || c == 'y' || c == 'u' || c == 'i' || c == 'o';
}

int main() {
  char a[2000001];
  scanf("%s", a);
  int n = strlen(a);
  int last = -1;
  long sum = 0;
  for (int i = 2; i < n; ++i) {
    if (v(a[i]) == v(a[i - 1]) && v(a[i]) == v(a[i - 2])) {
      last = i - 2;
    }
    if (last != -1) {
      sum += last + 1;
    }
  }
  printf("%ld\n", sum);
  return 0;
}