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