// editor4
#include<stdio.h>
int main()
{
    char s[101];
    int i=0;
    int v=0;
    scanf("%[^\n]",s");
    for(i=0;s[i]!='\0';i++)
    {
        if(s[i] == ' ')
        continue;
        
        if((s[i]<'A' || (s[i]>'Z' && s[i]<'a') || (s[i]>'z'))
        {
            printf("Invalid input");
            return 0;
        }
        if(s[i]=='A' || s[i]=='E' || s[i]=='I' || s[i]=='O' || s[i]=='U' || s[i]=='a' || s[i]=='e' || s[i]=='i' || s[i]=='o' || s[i]=='u')
        v++;
    }
    printf("%d",v);
    return 0;
}