#include<stdio.h>
int main()
{
int temp=0;
char crr;
char vowel[10]={'a','A','e','E','i','I','o','O','u','U'};
while(scanf("%c",&crr)!=EOF)
{
if(crr != '\n')
{
for(temp=0;temp<10;temp++)
{
if(crr == vowel[temp])
{
printf("Vowel\n");
temp = 20;
}
}
if(temp == 10)
{
printf("Consonant\n");
}
}
}
return 0;
}