#include <iostream>

#define MOD 1999999973;
using namespace std;
int b, a, rez = 1;
int main()
{
    cin >> a >> b;

    while(b)
    {
        if(b % 2 == 1)
            rez = 1LL * a % MOD;
        a = 1LL * a * a% MOD;
        b /= 2;
    }

    cout << rez;
    return 0;
}