#include <bits/stdc++.h>

using namespace std;
ifstream f("inversmodular.in");
ofstream g("inversmodular.out");
const int N = 100010;
int a,n,putere(int,int);
int main()
{
    f>>a>>n;
    g<<putere(a,n-2);
    return 0;
}

int putere(int b,int e)
{
    if(e==0)
        return 1;
    int r=putere(b,e/2);
    r=1LL*r*r%n;
    if(e%2==1)
        r=1LL*r*b%n;
    return r;
}