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

void writeToFile() {
  FILE *f = fopen("text.txt", "w");
  char c;
  while((c = getchar()) != '#') {
    fputc(c, f);
  }
  fclose(f);
}

int main() {
    
 //  writeToFile();
    FILE *vlez = fopen("text.txt", "r");
    char niza[1001];
    int i = 0;
    char c;
    while(fscanf(vlez, "%c", &c)) {
        if(c == '#') {
            break;
        }
        c = tolower(c);
        niza[i] = c;
        i++;
    }
    int kolku_parovi = 0;
    for(int j = 0; j < strlen(niza); j++) {
        if((niza[j] == 'a' || niza[j] == 'e' || niza[j] == 'i' || niza[j] == 'o' || niza[j] == 'u') && (niza[j + 1] == 'a' || niza[j + 1] == 'e' || niza[j + 1] == 'i' || niza[j + 1] == 'o' || niza[j + 1] == 'u')) {
            printf("%c%c\n", niza[j], niza[j + 1]);
            kolku_parovi++;
        }
    }
    printf("%d\n", kolku_parovi);
    return 0;
}