#include<bits/stdc++.h> using namespace std; string s1,s2,s3; int n,f1,f2; int g; int main(){ cin>>g; cin.get(); for(int j=1;j<=g;j++){ cin>>s1; n=s1.size(); for(int i=0;i<n;i+=2){ s2[i/2]=s1[i]; } for(int j=1;j<n;j+=2){ s3[(j-1)/2]=s1[j]; } for(int i=0;i<n/2;i++){ cout<<s3[i]<<s2[i]; } } return 0; }