#include<iostream>
#include<string>
uding namespace std;
class StringProcessor {
    public:
    static string removeVowels(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;
          }
}