#include <iostream>
#include <fstream>
#include <math.h>
using namespace std;
ifstream fin("inversmodular.in");
ofstream out("inversmodular.out");
int cmmdc(long a,long b)
{
    int r;
    r=a%b;
    while(r!=0)
    {
        a=b;
        b=r;
        r=a%b;
    }
    return b;
}
int main()
{
    long a,n,i=1,ct=0,nr;
    fin>>a>>n;
    for(i=1;i<n;i++)
        if(cmmdc(i,n)==1)
            ct++;
    nr=round(pow(a,ct-1));
    out<<nr%n;
    fin.close();
    out.close();
    return 0;
}