#include <iostream>
#include <fstream>

using namespace std;

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

const int MOD = 9901;

int a, b;

int lg_power(int x){
    if(x == 0) return 1;
    int v = lg_power(x / 2);
    v = 1LL * v * v % MOD;
    if(x % 2) v = 1LL * v * a % MOD;
    return v;
}

int gcd(int a, int b, int &x, int &y){
    if(b == 0){
        x = 1;
        y = 0;
        return a;
    }
    int d, xp, yp;
    d = gcd(b, a % b, xp, yp);
    x = xp;
    y = xp - yp * (a / b);
    return d;
}

int main(){
    int x, inv, y;
    fin >> a >> b;
    x = lg_power(b + 1) - 1;
    if(x < 0) x += MOD;
    y = gcd(b - 1, MOD, inv, y);
    if(inv < 0) inv += MOD;
    fout << x * inv % MOD;
    return 0;
}