#include <fstream>

using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long a,b;
const long long p=1999999973;
int alab(long long a, long long b)
{
    if(b==0) return 1;
    if(b==1) return a;
    long long x=alab(a,b/2);
    if(b%2==0) return x*x%p;
    return x*x*a%p;
}
int main()
{
    fin>>a>>b;
    fout<<alab(a,b);
    return 0;
}