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