#include <iostream>
#include <fstream>

using namespace std;

#define c 1999999973

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

int main()
{
    long long int a,b;
    fin>>a>>b;
    long long int p;
    p=1;
    while(b)
        {if(b%2==1)
            {p=(p*a)%c;
            b--;
            }
        a=(a*a)%c;
        b=b/2;
        }
    fout<<p<<endl;
    fin.close();
    fout.close();
    return 0;
}