#include <fstream>
using namespace std;
ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
int n,m;
int eulerind(int n)
{
    long long rez=n;
    int d=2;
    while(d*d<=n)
    {
        if(n%d==0) rez=rez*(d-1)/d;
        while(n%d==0) n/=d;
        d++;
    }
    if(n>1)
    {
        rez=rez*(n-1)/n;
    }
    return rez;
}
long long exp(int b, int e, int mod)
{
    if(e==0) return 1;
    if(e%2==1) return (b*exp(b,e-1,mod))%mod;
    else
    {
        long long x=exp(b,e/2,mod);
        return (x*x)%mod;
    }
}
int main()
{
    fin >> n >> m;
    fout << exp(n,eulerind(m)-1,m);
    return 0;
}