#include <fstream>
#define MOD 1999999973

using namespace std;

unsigned long long a,b;

inline unsigned long long Ridicare_La_Putere(unsigned long long x,unsigned long long n)
{
    if(n==0)    return 1;
    else    if(n==1)    return x%MOD;
    else    if(n%2==0)  return Ridicare_La_Putere(x*x%MOD,(n/2)%MOD)%MOD;
    return x%MOD*Ridicare_La_Putere(x*x%MOD,((n-1)/2)%MOD)%MOD;
}

int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    fin>>a>>b;
    fout<<Ridicare_La_Putere(a,b)%MOD<<"\n";
    fin.close();
    fout.close();
    return 0;
}