/*solutie ce functioneaza doar cu M prim*/
#include <iostream>
#include <fstream>
using namespace std;

ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");

int A, M;

long long lgput(long long N, int P) {
    long long Sol = 1;
    int MO = P + 2;
    while (P) {
        if (P % 2)
            Sol = (Sol * N) % MO;
        N = (N * N) % MO;
        P /= 2;
    }
    return Sol;
}

int main() {
    fin >> A >> M;
    fout << lgput(A, M - 2);
    fin.close();
    fout.close();
    return 0;
}