#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int C=1999999973;
int modulo(long long A,long long B)
{
    int r=1;
    while(B)
    {
        if(B%2)
        r=(1LL*r*A)%C;
        A=(A*A)%C;
        B=B/2;
    }
    return r;
}

int main()
{
    long long A,B;
    fin>>A>>B;
    fout<<modulo(A,B);
    fin.close();
    fout.close();
    return 0;
}