#include<bits/stdc++.h>
using namespace std;
#define ll long long int 
#define nl "\n"
#define all(x) (x).begin(), (x).end()
#define Yes cout<<"Yes"<<"\n";
#define No  cout<<"No"<<"\n"; 
void run(int t){
    string S;
    cin >> S;
    while (S.length() > 1) {
        string newStr = "";
        for (int i = 0; i < S.length(); i += 2) {
            newStr += S[i];
        }
        S = newStr;
    }
    cout << S << nl;
    
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t=1;
    cin >> t;
    int c  = 1;
    while(t--){
        //cout << "Case " << c++ << ": ";
        run(t);
    }
    return 0;
}