#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define sp " "
#define YES cout << "YES" << endl
#define NO cout << "NO" << endl
#define Yes cout << "Yes" << endl
#define No cout << "No" << endl
#define yes cout << "yes" << endl
#define no cout << "no" << endl

void messi()
{
    string s;
    cin >> s;
    while (s.length() > 1)
    {
        for (int i = 0; i < s.size(); i++)
        {
            if (i % 2 == 1)
            {
                s.erase(s.begin() + i);
            }
        }
    }
    cout << s << endl;
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    ll tc = 1;
    cin >> tc;
    while (tc--)
    {
        messi();
    }
    return 0;
}