#include<fstream>
# define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int i;
long long a,b,c;
int main()
{
    f>>a>>b;
    c=1;b++;
    while(b>0)
    {
        if(b%2) c=c%mod*a%mod;
        a=a%mod*2;
        b/=2;
    }
    g<<c<<"\n";
    return 0;
}