#include <stdio.h>
#include <ctype.h>
int main(){
    char str[101];
    scanf("%100s",str);
    int count=0;
    for(int i=0;str[i];i++){
        char ch=tolower(str[i]);
        if(ch=='e' || ch=='o' || ch=='a' || ch=='i' || ch=='u') 
        count++;
    }else{
        printf("Invalid ")
    }
        
    }
    if(count>0)
    count++;
    printf("%d\n",count);
    return 0;
}