///Exponentiere in timp logaritmic
#include <fstream>
#define MOD 1999999973
using namespace std;

ifstream fin ("lgput.in");
ofstream fout("lgput.out");

long long a, b;

long long Ridicare(long long a, long long b)
{
    if (b == 0)
        return 1;
    if (b == 1)
        return a % 1999999973;
    long long aux = Ridicare(a, b / 2);
    aux = (aux * aux) % MOD;
    if ( b % 2 == 1)
        aux = (a * aux) % MOD;
   return aux;
}

int main()
{
    fin >> a >> b;
    fout << Ridicare(a, b);
}