#include<bits/stdc++.h>          // --> Bismillahir_ Rahmanir_ Rahim <--
#define ll long long 
using namespace std;



int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
	
	ll tc; cin >> tc;
	while(tc--) {
		string str; cin >> str;
		for(ll i=0 ; i<str.size() ; i+=2) cout << str[i];
		cout << "\n";
	}
   
    return 0;
}