#include <stdio.h>

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

    }
    return 0;
}