int main()
{
char a = '0';
while ((scanf ("%c",&a)) != EOF)
{
if ((a >= 'A' && a <= 'Z') || (a >= 'a' && a <= 'z'))
{
if (a == 'A' || a == 'a' || a == 'E' || a == 'e' || a == 'I' || a == 'i' || a == 'O' || a == 'o' || a == 'U' || a == 'u')
{
printf ("Vowel\n");
}
else
{
printf ("Consonant\n");
}
}
}
return 0;
}