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