#include <bits/stdc++.h>
using namespace std;
void slv_by_payel()
{
    string str_1;
    cin>>str_1;
    
    while (str_1.length() > 1)
    {
        string str_2;
        for (int i = 0; i < str_1.length(); i += 2)
        {
           str_2 += str_1[i]; 
        }
        str_1 = str_2; 
    }
    
    cout<<str_1<<endl;
}
int main()
{
    int tc;
    cin>>tc;
    while(tc--)
    {
        slv_by_payel();
    }
 
    return 0;
}