#include<fstream>
using namespace std;
#define NR 1999999973
long long putere(long long a , long long b)
{
    long long rez = 1;
    while(b)
    {
        if(b % 2 == 1)
        {
            rez = (rez * a)%NR;
            --b;
        }
        a = (a*a)%NR;
        b = b/2;
    }
    return rez;

}

int main()
{
    long long a,b;
    ofstream out ("lgput.out");
    ifstream in ("lgput.in");
    in>>a>>b;
    out<<putere(a,b);
    out.close();
    in.close();
    return 0;
}