#include <fstream>

using namespace std;
ifstream in("inversmodular.in");
ofstream out("inversmodular.out");

long long lgput(long long n,long long p,long long mod)
{
    long long r=1,c;
    while(p!=1)
    {
        if(p%2==0)
        {
            p=p/2;
            n=(n*n)%mod;
        }
        else
        {
            p=p-1;
            r=(r*n)%mod;
        }
    }
    n=n*r;
    c=n%mod;
    return c;
}
int main()
{
    long long n,p;
    in>>n>>p;
    out<<lgput(n,p-2,p);
    return 0;
}