#include <fstream>
#define M 1999999973
#define ull unsigned long long
using namespace std;
ifstream f("moka.in");
ofstream g("moka.out");
ull p(ull a,ull b)
{
    if(b==0)
        return 1;
    if(b%2==1)
    {
        return a*p(a,b-1)%M;
    }
    else
    {
        ull x=p(a,b/2)%M;
        return x*x%M;
    }
}
int main()
{
ull x,y;
f>>x>>y;
g<<p(x,y);
    return 0;
}