#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long a,b,ans=1,mod=1999999973;
int main()
{
    in>>a>>b;
    while(b) {
        if(b%2==0) {
            b/=2;
            a=(a*a)%mod;
        }
        else {
            ans=(ans*a)%mod;
            b--;
        }
    }
    out<<ans;
    return 0;
}