#include <fstream>
using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");
#define m 1999999973

int main()
{
    unsigned long long a, b, r = 1;
    fin >> a >> b;
    for( ; b; b = b/2 )
    {
        if( b%2 == 1 )
            r = (r*a)%m;
        a = (a*a)%m;
    }
    fout << r;
    fin.close();
    fout.close();
    return 0;
}