#include <bits/stdc++.h>
#define ll long long
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
ll P1(ll a, ll n)
{
    ll p=1;
    while (n>0)
    {
        if (n%2==1)
            p=p*a%MOD;
        n/=2;
        a=a*a%MOD;
    }
    return p;
}

int main()
{
   ll a,b;
   fin>> a >> b;
   fout << P1(a,b);







    return 0;
}