#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;
}
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