#include <fstream>
using namespace std;
const int mod = 1999999973;
ifstream f("lgput.in");
ofstream g("lgput.out");

long long a,b,p;
int main()
{
    f >> a >> b;
    p=1;
    while (b!=1)
    {
        if (b%2==1)
            p*=a;
        a=a*a;
        a=a%mod;
        p=p%mod;
        b/=2;
    }
    g<<a*p % mod;
    return 0;
}