#include <iostream>
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int main()
{
    long long x, y, r = 1;
    fin>>x>>y; // calculam x la puterea y
    while(y) {
        if (y&1) {
            r = (r * x) % MOD;
        }
        y = y >> 1;
        x = (x * x) % MOD;
    }
    fout<<r;
    fin.close();
    fout.close();
    return 0;
}