#include <iostream>
#include <cstring>
#include <string>
#pragma warning(disable:4996)
using namespace std;

int main(void) {
    int iCount = 0;

    cin >> iCount;
    for (int i = 0; i < iCount; i++) {
        char cTempSting[100 + 1] = { '\0' };
        char desSting[100 + 1] = { '\0' };

        cin >> cTempSting;

        int strnum = strlen(cTempSting);
        int halfnum = strnum / 2;
        if(strnum > 1)
            for (int j = 0; j < strnum; j++) {
                if (j < (strnum / 2)) {
                    desSting[j] = cTempSting[j * 2];
                }
                else {
                    desSting[j] = cTempSting[(j- (halfnum)) * 2 + 1];
                }
            }
        else
            desSting[0] = cTempSting[0];

        cout << desSting << endl;
    }
    return 0;
}