#include<stdio.h>
#include<string.h>
int main(){
    char s[200];
    scanf("%[^\n]s",s);
    int count =0;
    for(int =i=0;i<strlen(s);i++){
      if(s[i]=='A'||s[i]=='I'||s[i]=='E'||s[i]=='O'||s[i]=='U'||s[i]=='a'||s[i]=='e'||s[i]=='i'||s[i]=='o'||s[i]=='u');
       count count+1;
       }
    }
printf("%d",count);
}