//#include <iostream>
#include <fstream>
using namespace std;

#define mod 1999999973

ifstream cin ("lgput.in"); ofstream cout ("lgput.out");

int main()
{
    unsigned long long a, b, prod = 1;
    cin >> a >> b;
    while(b > 0)
    {
        if (b % 2 == 1)
        {
            prod = prod * a % mod;
        }
        a = (a * a) % mod;
        b = b / 2;
    }
    cout << prod;
    return 0;
}