#include <fstream>
#define M 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int main()
{   int a,b;
    f>>a>>b;
    int r=1;
    for(;b;b>>=1)
    {   if(b&1) r=(1LL*r*a)%M;
        r=(1LL*r)%M;
    }
    g<<r;
    g.close();
    f.close();
    return 0;
}