#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;
}
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;
}