#include <iostream>
#include <fstream>
using namespace std;
int subpr(long long unsigned a,long long unsigned b);
const int c=1999999973;
int main()
{
    long long unsigned a,b;
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    cin >> a >> b;
    cout << subpr(a,b);
    return 0;
}
int subpr(long long unsigned a,long long unsigned b)
{
    if(b==0) return 1;
    else if(b==1) return a%c;
    else if(b%2==0) return subpr((a*a)%c,b/2);
    else if(b%2==1) return (a * subpr((a*a)%c,(b-1)/2));
}