#include <fstream>
#define mod 1999999973

using namespace std;

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

long long power(long long b,long long p)
{
    long long r=1;
    if(b==0)
        return 0;
    if(b==1 || p==0)
        return 1;
    while(p)
    {
        if(p%2==1)
        {
            r=(r*b)%mod;
            p--;
        }
        b=(b*b)%mod;
        p/=2;
    }
    return r;
}

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