#include <iostream>
#include <fstream>
#define ll long long
using namespace std;

ifstream in("lgput.in");
ofstream out("lgput.out");

const ll mod=1999999973;

ll lgput(ll a,ll b)
{
    ll p=1;
    for(;b;b/=2)
    {
        if(b%2==1) (p*=a)%=mod;
        (a*=a)%=mod;
    }
    return p;
}

int main()
{
    ll a,b;
    in>>a>>b;
    out<<lgput(a,b)%mod;
    return 0;
}