#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
unsigned long long lgput(unsigned long long a,unsigned long long b)
{
    if(!b)
        return 1;
    if(b%2)
        return (lgput(a*a%mod,b/2)*a)%mod;
    return lgput(a*a%mod,b/2)%mod;

}
int main()
{
    unsigned long long a,b;
    fin>>a>>b;
    fout<<lgput(a,b);
}