#include<bits/stdc++.h>
using namespace std;
ifstream f("inversmodular.in");
ofstream g("inversmodular.out");
typedef long long Int;
Int Mod,n,a;
Int putere(Int b, Int e)
{
    if(e==0)
        return 1LL;
    Int r=putere(b,e/2);
    r=r*r%Mod;
    if(e%2)
        r=r*b%Mod;
    return r;
}
int main()
{
    f>>a>>n;
    Mod=n;
    g<<putere(a,Mod-2);
    return 0;
}