1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
#include<bits/stdc++.h>
using namespace std;

#define int long long

#define PB push_back
#define MP make_pair
#define FI first
#define SE second
#define ST FI
#define ND SE
#define SZ(x) ((int)(x).size())

#define ALL(it, x) for(__typeof(x.begin()) it = x.begin(); it != x.end(); it++)
#define REP(i, x) for (int i = 0; i < x; i++)
#define FOR(i, x) for (int i = 1; i <= x; i++)
#define BACK(i, x) for (int i = x; i; i--)

typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<VI> VVI;

template<typename TH> void _dbg(const char* s, TH h) { cerr<<s<<"="<<h<<"\n"; }
template<typename TH, typename... TA> void _dbg(const char* s, TH h, TA... t) {
  while(*s != ',') {cerr<<*s++;} cerr<<"="<<h<<","; _dbg(s+1, t...);
}
#ifdef LOCAL
#define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
#define debugv(x) {{cerr <<#x <<" = "; ALL(itt, (x)) cerr <<*itt <<", "; cerr <<"\n"; }}
#else
#define debug(...) (__VA_ARGS__)
#define debugv(x)
#define cerr if(0)cout
#endif

string s;
int res = 0;

int is_samo(char c) {
  if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u' || c == 'y')
    return 1;
  return 0;
}

int sub(int n) {
  return n * (n - 1) / 2 + n;
}

vector<int> cnts;
  
int32_t main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout << setprecision(7) << fixed;  
  int n;
  cin >> s;
  n = s.size();

  int last_good = 0;
  for (int i = 0; i < n; i++) {
    if (i >= 2 && is_samo(s[i]) == is_samo(s[i-1]) && is_samo(s[i]) == is_samo(s[i-2])) {
      last_good = i - 1;
    }
    int r = i - last_good + 1;
    debug(r);
    res += r;
  }

  cout << sub(n) - res << endl;
}