// editor1
#include<iostream>
#include<string>
using namespace std;
class stringprocess {
    public:
    static string remove(string str);
    for(int i = 0; i < str.length();i++){
        if(!(str[i] >= 'a' && str[i] <= 'z') || (str[i] >= 'A' && str[i] <= 'Z') || str[i] == ' ')){
            return "Invalid input"
        }
    }
string result = "";
for(int i = 0; i < str.length(); i++){
    char ch = str[i];
    if (!(ch=='A' || ch=='E' || ch == 'I' || ch == 'O' || ch == 'U'|| ch=='a' || ch=='e' || ch == 'i' || ch == 'o' || ch == 'u' ))
    {
        result += ch;
    }
};
int main (){
    string str;
    getline(cin,str);
    cout<<stringprocess::remove(str)
    return 0;
}