#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
#define ll long long
const ll MOD=1999999973;
ll fastpower(ll a,ll b){
    ll rez=1;
    while(b){
        if(b%2){
            rez=(rez*a)%MOD;
        }
        a=(a*a)%MOD;
        b/=2;
    }
    return rez;
}
int main(){
    ll a,b;
    f>>a>>b;
    g<<fastpower(a,b);
    return 0;
}