#include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t > 0) {       t--;       string s, x;       cin >> s;       x.push_back(s[0]);       for (int i = 1; i < s.size(); i++) {         if (i % 2 != 0) x.push_back(s[i]);       }       cout << x << endl;     }     return 0;   }   