#include <bits/stdc++.h>
using namespace std;

int main() {
	int T;
	cin >> T;
	cin.ignore();
	while (T--) {
		string s;
		getline(cin, s);
		for (int i = 0; i * 2 < s.size(); i += 2)
			cout << s[i];
		cout << endl;
	}
	return 0;
}