#include <stdio.h>
main(){int i,j,r;char s[80],c[10]={'a','i','u','e','o','A','I','U','E','O'};
while(1){r=0;scanf("%s",s);for(i=0;i!=80,s[i]!=0;i++)for(j=0;j!=10;j++)if(s[i]
==c[j])r++;printf("%d\n", r);}}