#include <bits/stdc++.h>
using namespace std;
int main() {
  long long a, b;
  cin >> a >> b;
  while (true) {
    if (a == 0 || b == 0) break;
    if (a >= 2 * b) {
      a %= 2 * b;
    } else if (b >= 2 * a) {
      b %= 2 * a;
    } else
      break;
  }
  cout << a << ' ' << b;
  return 0;
}
