#include <bits/stdc++.h>
using namespace std;
#define int              long long int
#define double           long double
#define print(a)         for(auto x : a) cout << x << " "; cout << endl


const int M = 1000000007;
const int N = 3e5+9;
const int INF = 2e9+1;
const int LINF = 2000000000000000001;

inline int power(int a, int b) {
    int x = 1;
    a %= M;
    while (b) {
        if (b & 1) x = (x * a) % M; 
        a = (a * a) % M;
        b >>= 1;
    }
    return x;
}


//_ ***************************** START Below *******************************





string consistency(string num){
    
    vector<int> even;
    vector<int> odd;

    for(int i=0; i<num.size(); i++){
        int d = num[i]-'0';
        if(d & 1) odd.push_back(num[i]);
        else even.push_back(num[i]);
    }


    int m = even.size();
    int n = odd.size();

    string ans = "";
    
    int i = 0, j = 0;
    while(i<m && j<n){
        if(even[i] < odd[j]){
            ans.push_back(even[i]);
            i++;
        }
        else {
            ans.push_back(odd[j]);
            j++;
        }
    }

    while(i<m){
        ans.push_back(even[i]);
        i++;
    }
    while(j<n){
        ans.push_back(odd[j]);
        j++;
    }


    return ans;    
}















string practice(string num){


    return "";
}





void solve() {
    
    string num;
    cin >> num;
    
    cout << consistency(num) << endl;


}





int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int t = 1;
    cin >> t;
    while (t--) {
        solve();
    }

    return 0;
}