#include <iostream>
#include <fstream>
#define MOD 1999999973

using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long putere(long long a, long long b)
{
    long long p=1;
    while(b!=0)
    {
        if(b%2==1)
            p=p*a%MOD;
        b/=2;
        a%=MOD;
        a=a*a%MOD;
    }
    return p;
}

int main()
{
    long long a,b;
    fin>>a>>b;
    fout<<putere(a,b);
    return 0;
}