#include <stdio.h>

int main() {
    char cub;
    scanf("%c",&cub);
    
    if (cub=='a'|| cub=='e' || cub=='i' ||cub=='o'||cub=='u' || cub=='A'|| cub=='E' || cub=='I' ||cub=='O'||cub='U')
    {
        printf("Vowel");
    }
    else if {
        printf("Consonants");
    }
    
return 0;
}