#include <fstream>
using namespace std;
ifstream f ("lgput.in");
ofstream g ("lgput.out");
const long long mod=1999999973;
long long sol=1ll,a,b;
int main()
{
    f>>a>>b;
    while(b)
    {
        if(b%2)
        {
            sol=sol*a;
            while(sol>mod) sol-=mod;
        }
        b/=2;
        a=a*a;
        while(a>mod) a-=mod;
    }
    g<<sol;
    return 0;
}