/*large number*/





#include <iostream>
#include <string>
using namespace std;

int main(int argc, const char * argv[]) {

    // your code goes here
    int count = 0;
    cin>>count;
    while(count--)
    {
        /*initial*/
        string fir,sec,thi;

        cin>>fir>>sec>>thi;
        string temp[3];
        temp[0]=fir;
        temp[1]=sec;
        temp[2]=thi;

        string ans =temp[0];

        for(int i =1;i<3;i++)
        {
            if(ans.size()>temp[i].size()){
                continue;
            }else if(ans.size()<temp[i].size()||ans.compare(temp[i])<0){
                ans=temp[i];
            }
        }
        cout<<ans<<endl;

    }

    return 0;
}