#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int a,b,k=1999999973;
long long put(long long a,long long b)
{
    long long rez=1;
    while(b!=1)
    {
        if(b%2==1)
        {
            rez*=a;
            rez%=k;
            b--;
        }
        a*=a;
        a%=k;
        b/=2;
    }
    rez*=a;
    rez%=k;
    return rez;
}
int main()
{
    fin>>a>>b;
    fout<<put(a,b);
    return 0;
}