#include <stdio.h>

int main() 
{char s;


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