#include<stdio.h>
int main()
{
char arr[10]={'a','A','e','E','i','I','o','O','u','U'};
char ch;
int i;
while(scanf("%c",&ch)!=EOF)
{
if(ch!='\n')
{
for(i=0;i<10;i++)
{
if(ch==arr[i])
{
printf("Vowel\n");
break;
}
}
if(i==10)
printf("Consonant\n");
}
}
return 0;
}