# 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){
    if(b==0)
        return 1;
    else{
        long long x=rid(a,b/2);
        if(b%2==0)
            return x*x%MOD;
        else
            return x*x%MOD*a%MOD;
    }
}
int main () {
    fin>>a>>b;
    fout<<rid(a,b)<<"\n";
    return 0;
}