// NOTE: it is recommended to use this even if you don't understand the following code.

#include <fstream>
#include <iostream>
//#include <vector>

using namespace std;

int main() {
  // uncomment the following lines if you want to read/write from files
  // ifstream cin("input.txt");
  // ofstream cout("output.txt");
  
  int T;
  cin >> T;
  
  for (int ii = 0; ii < T; ii++) {
    string S;
    cin >> S;
    
    // insert your code here
    
    
    
    cout << "-1" << '\n'; // print the result
  }
  return 0;
}