using namespace std;
int main()
{
    char arr[7]={};
    int n=0;
    while(cin>>arr[n])
        n++;
    int a=0;
    
    for(a;a<n+1;a++)
    {
        if(arr[a]!='\0')
        {
             if(arr[a]=='A'||arr[a]=='a'||arr[a]=='E'||arr[a]=='e'||arr[a]=='o'||arr[a]=='O'||arr[a]=='U'||arr[a]=='u'||arr[a]=='I'||arr[a]=='i')
            
            cout<<"Vowel"<<endl;
             else
            cout<<"Consonant"<<endl;
    
        }
    }
    return 0;
}

储存在数组中,注意会有\0,要排除\0对判断的干扰