#include <fstream>
#define mod 1999999973
typedef long long ll;

using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");

ll pow(ll a, ll b)
{
    ll rez = 1;
    while(b)
    {
        if(b & 1)
            rez = (rez * a) % mod;
        a = (a * a) % mod;
        b >>= 1;
    }
    return rez;
}

int main()
{
    ll a,b;
    f >> a >> b;
    g << pow(a,b);
}