#include <iostream>
#define ll long long int
using namespace std;
const ll mod=1999999973;
ll a,b;
inline ll expo(ll a,ll b){
ll rez=1;
while(b){
    if(b&1)
        rez=rez*a%mod;
    a=a*a%mod;
    b>>=1;
}
return rez;
}
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>a>>b;
    cout<<expo(a,b);
}