#include <stdio.h>
#include <string.h>
char str[10000][10000]={'\0'};
int main ()
{
int num=0,count=0;
char temp='\0';
for(int i=0;i<1000;i++)
{
scanf("%s",&str[i][0]);
if(str[i][0]=='\0')
break;
num++;
}
for(int i=0;i<num;i++)
{
int len=strlen(str[i]);
int nonum=1;
for(int j=0;j<len;j++)
{
if(isalpha(str[i][j])==0)
nonum=0;
}
if(nonum==1)
{
for(int j=0;j<len/2;j++)
{
temp=str[i][len-j-1];
str[i][len-j-1]=str[i][j];
str[i][j]=temp;
}
for(int k=0;k<len-3;k++)
{
if((str[i][k+1]=='a'||str[i][k+1]=='e'||str[i][k+1]=='i'||str[i][k+1]=='o'||str[i][k+1]=='u') && !(str[i][k+0]=='a'||str[i][k+0]=='e'||str[i][k+0]=='i'||str[i][k+0]=='o'||str[i][k+0]=='u') && !(str[i][k+2]=='a'||str[i][k+2]=='e'||str[i][k+2]=='i'||str[i][k+2]=='o'||str[i][k+2]=='u' || str[i][k+2]=='r') && (str[i][k+3]=='e'))
{
count++;
}
}
}
}
printf("%d",count);
}