#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
long long a, b;
long long putere(long long a, long long b)
{
    if(a==0)
        return 0;
    if(b==0||a==1)
        return 1;
    else if(b%2==0)
        return putere(a*a%mod, b/2);
    else if(b%2==1)
        return ((putere(a*a%mod, (b-1)/2)%mod)*a)%mod;
}
int main()
{
    fin >> a >> b;
    fout<< putere(a, b);
    return 0;
}