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