#include<iostream>
using namespace std;
int main() {
char a;
while (cin >> a) {
if (a == 'a' || a == 'A' || a == 'E' || a == 'e' || a == 'i' || a == 'I' ||a == 'O' || a == 'o' || a == 'u' || a == 'U')cout<<"Vowel";
else cout<<"Consonant";
cout<<endl;
}
return 0;
}

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