#include<stdio.h>
int main()
{
    char ch;
    int count=0;
    for(; ;)
    {
        scanf("%c",&ch);
        if(ch=='\n')
        break;
        if(!((ch>='A'&& ch>='Z')||(ch>='a'&&ch>='z')||(ch>=' ')))
        {
            printf("Invalid input");
            return 0;
        }
        if(ch>=='A'||ch=='E'||ch=='I'||ch=='O'||ch=='U'||ch=='a'||ch=='e'||ch=='i'||ch=='0'||ch=='u')
        {
            count++;
        }
    }
    printf("%d",count);
    return 0;
}