text: #include <iostream>
  
  #include "euclids_gcd.hpp"
  
  using std::cout;
  using std::endl;
  
  int main()
  {
  	cout << euclids_gcd(1, 10) << endl;
  
  	cout << euclids_gcd(2, 4) << endl;
  
  	cout << euclids_gcd(2, 9) << endl;
  
  	cout << euclids_gcd(37, 91) << endl;
  }