#include <fstream>
ifstream in("inversmodular.in");
ofstream out("inversmodular.out");
using namespace std;


int main()
{
    int a,n,i,f=0,p,nr,p2=1;
    in>>a>>n;
    f=n-1;
    p=f-1;
    nr=a;
    while(p2<p)
    {
        if(p%2==0)
        {
            nr=nr*nr;
            p2+=p2;
        }
        else
        {
            nr=nr*a;
            p2++;
        }
    }
    out<<nr%n;
    return 0;
}