#include <fstream>


using namespace std;

ifstream cin("inversmodular.in");
ofstream cout("inversmodular.out");
int main() {
  long long n, a, phi, cn, ans, d;
  cin >> a >> n;
  cn = n;
  phi = n;
  d = 2;
  while ( d * d <= n ) {
    if ( n % d == 0 ) {
      phi = phi / d * ( d - 1 );
      while ( n % d == 0 )
        n /= d;
    }
    d++;
  }
  if ( n > 1 )
    phi = phi / n * ( n - 1 );
  phi--;
  ans = 1;
  while ( phi > 0 ) {
    if ( phi % 2 != 0 )
      ans = ans * a % cn;
    phi /= 2;
    a = a * a % cn;
  }
  cout << ans;
  return 0;
}