#include<fstream>
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long a,b;

long long mod(long a,long b)
{
    long long p=a,r=1;
    while(b>0)
    {
        if(b%2==1)r=r*p%MOD;
        p=p*p%MOD;
        b=b/2;
    }
    return r;
}

int main()
{
    fin>>a>>b;
    fout<<mod(a,b);
    fin.close();
    fout.close();
    return 0;
}