#include<stdio.h>
int main(){
char arr[10]={'A','E','I','O','U','a','e','i','o','u'};
char ch;
int i;
while(scanf("%c",&ch)!=EOF){
getchar();//消耗回车
for(i=0;i<10;i++){
    if(ch==arr[i]){
        printf("Vowel\n");
        break;
    }
    if(i==9){
        printf("Consonant\n");
    }

}}
return 0;