#include <bits/stdc++.h>

using namespace std;



ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
int Quick(int a, int b, int mod)
{
    int p=1;
    while (b>0)
    {
        if (b%2==1) p=1ll*p*a%mod;
        b/=2;
        a=1ll*a*a%mod;
    }
    return p;
}
int Phi(int n)
{
    int sol,p;
    sol=n;
    for (p=2; n>1 and p*p<=n; p++)
    {
        if (n%p==0)
        {
            sol=sol/p*(p-1);
            while (n%p==0)
                n/=p;
        }
    }
    if (n>1) sol=sol/n*(n-1);
    return sol;
}


int main()
{
   int a,n;
    fin >> a >> n;
    fout << (Quick(a,(Phi(n)-1),n));
    return 0;
}