#include <iostream>
#include <ginac/ginac.h>
using namespace GiNaC;
using namespace std;

int main (){
  symbol x("x");
  int n = 2;
  ex test = power(power(x,n),power(n,-1));
  cout << test.subs(power(power(wild(1),wild(2)),power(n,-1))==wild(1)) << endl;
  cout << test.subs(power(power(wild(1),wild(2)),power(wild(2),-1))==wild(1)) << endl;
  return 0;
}