#include <fstream>
#define Mod 1999999973

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long a,b;
unsigned long long p;
int main()
{
    f>>a>>b;
    p=1;
    while(b>0){
        if(b%2==1){
            p=(p*a)%Mod;
            b--;
        }
        else{
            a=(a*a)%Mod;
            b=b/2;
        }
    }
    g<<p<<'\n';
    return 0;
}