#include <fstream>
#define ll long long
using namespace std;
ifstream f("inversmodular.in");
ofstream g("inversmodular.out");
ll x,n;
ll inv(ll x,ll n,ll mod)
{
    ll ans = 1;
    while(n)
    {
        if(n%2)
            ans=(ans*x)%mod;
        n/=2;
        x=(x*x)%mod;
    }
    return ans;
}
int main()
{
    f>>x>>n;
    g<<inv(x,n-2,n);
}