#include <fstream>

using namespace std;
ifstream in("inversmodular.in");
ofstream out("inversmodular.out");
 long long nr(long long a, long long c, long long mod)
    {
long long cnt=1;
    while(a>0)
    {
        if(a%2==0)
        cnt*=a%mod;
        a*=a%mod;
        c/=2;
    }
    return cnt;
    }
int main()
{
    int a,n,p=1;
    in>>a>>n;
    out<<nr(a,n-2,n);
    return 0;
}