#include <bits/stdc++.h>
#define MOD 1999999973
#define Nat long long

using namespace std;

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

Nat P1(Nat a,Nat n)
{
    Nat p=1;
    while(n>0)
    {
        if(n%2==1) p=p*a%MOD;
        n/=2;
        a=a*a%MOD;
    }
    return p;

}

int main()
{
    Nat a,n;
    fin>>a>>n;
    fout<<P1(a,n);
    return 0;
}