# include <fstream>
# define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int a,b;
int rid(int a,int b){
    long long x;
    if(b==0)
        return 1;
    if(b%2==0){
        x=rid(a,b/2);
        return x*x%MOD;
    }
    else{
        x=rid(a,b/2);
        return x*x*a%MOD;
    }
}
int main () {
    fin>>a>>b;
    fout<<rid(a,b)<<"\n";
    return 0;
}