#include<stdio.h>
#define N 100
main ()
{
int i,count=0;
char a[N];
for(i=0;i<N;i++)
{
scanf("%c",&a[i]);
if(a[i]=='\n')
break;
if(a[i]=='a'||a[i]=='e'||a[i]=='i'||a[i]=='o'||
a[i]=='u'||a[i]=='A'||a[i]=='E'||a[i]=='I'||
a[i]=='O'||a[i]=='U')
count++;
}
printf("元音个数为:%d\n",count);
}