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