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
#include <stdio.h>
#include <cctype>

bool samogloska(char x) {
	if( x == 'a' || x == 'e' || x == 'y' || x == 'o' || x == 'i' || x == 'u' ) {
		return true;
	}
	return false;
}

int main( ) {
	//int lastDiff[200000] = {};
	//int start[200000] = {};
	//int i;
	
    //for(i = 0 ; i < 200000; i++) {
	//	lastDiff[i] = 0;
	//	start[i] = 0;
    //}

   char ch2 = ' ';
   char ch1 = ' ';
   char ch = 'a';
   int i = 0;
   int last = -1;
   int n = 0;
   unsigned long long res = 0;

   while (isalpha(ch)) {
       scanf("%c", &ch);
	   if (isalpha(ch)) {
	       //printf( "%c%c%c\n", ch2, ch1, ch);
	       if (n >= 2) {
		       if (samogloska(ch2) == samogloska(ch1) && samogloska(ch1) == samogloska(ch)) {
			       if (last != -1) {
			           //printf( "b - %d - %d\n", last, n);
				       res += (last - 2 + 1) * (n - last);
			       }
			       last = n;
		       }
	       }
	       ch2 = ch1;
           ch1 = ch;
           n++;
	   }
   }
   if (last != n && last != -1) {
       //printf( "%d - %d\n", last, n);
	   res += (last - 2 + 1) * (n - last);
   }
   
   printf( "%lld\n", res);
   return 0;
}