tema dragos pb

#include <iostream>
#include<cstring>
using namespace std;
#define VOWELS "aeiouAEIOU"

int main() {
    char s[20];
    cin >> s;
    int n = strlen(VOWELS);
    for (int i = 0; i < n; i++) {
        if (!strchr(s, VOWELS[i])) {
            putchar(VOWELS[i]);
        }
    }
    return 0;
}