#include <stdio.h>
#include <string.h>

int main(void)
{
char buf[256], *p;
int i, n = 0;

gets(buf);

p = buf;
while (1) {
i = strcspn(p, "aiueoAIUEO");
if (i == strlen(p)) break;
n++;
p += i + 1;
}

printf("%d\n", n);

return 0;
}